Home / 1,431,010.90-2,146,516.35-1,011,106.90

Finding the Fourth Proportional to 1,431,010.90, 2,146,516.35 and 1,011,106.90

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Solution

The fourth proportional to 1,431,010.90, 2,146,516.35 and 1,011,106.90 is: 1,516,660.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,010.90 : 2,146,516.35 = 1,011,106.90 : x
  2. Step 2: Convert to fraction form
    1,431,010.90/2,146,516.35 = 1,011,106.90/x
  3. Step 3: Cross multiply
    1,431,010.90x = 2,146,516.35 × 1,011,106.90
  4. Step 4: Simplify right side
    1,431,010.90x = 2,170,357,492,447.82
  5. Step 5: Solve for x
    x = 2,170,357,492,447.82/1,431,010.90
  6. Step 6: Final answer
    x = 1,516,660.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.