Home / 1,431,182.80-2,146,774.20-1,369,752.40

Finding the Fourth Proportional to 1,431,182.80, 2,146,774.20 and 1,369,752.40

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Solution

The fourth proportional to 1,431,182.80, 2,146,774.20 and 1,369,752.40 is: 2,054,628.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,182.80 : 2,146,774.20 = 1,369,752.40 : x
  2. Step 2: Convert to fraction form
    1,431,182.80/2,146,774.20 = 1,369,752.40/x
  3. Step 3: Cross multiply
    1,431,182.80x = 2,146,774.20 × 1,369,752.40
  4. Step 4: Simplify right side
    1,431,182.80x = 2,940,549,112,708.08
  5. Step 5: Solve for x
    x = 2,940,549,112,708.08/1,431,182.80
  6. Step 6: Final answer
    x = 2,054,628.60

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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.