Home / 1,431,013.40-2,146,520.10-1,011,109.40

Finding the Fourth Proportional to 1,431,013.40, 2,146,520.10 and 1,011,109.40

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Solution

The fourth proportional to 1,431,013.40, 2,146,520.10 and 1,011,109.40 is: 1,516,664.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,013.40 : 2,146,520.10 = 1,011,109.40 : x
  2. Step 2: Convert to fraction form
    1,431,013.40/2,146,520.10 = 1,011,109.40/x
  3. Step 3: Cross multiply
    1,431,013.40x = 2,146,520.10 × 1,011,109.40
  4. Step 4: Simplify right side
    1,431,013.40x = 2,170,366,650,398.94
  5. Step 5: Solve for x
    x = 2,170,366,650,398.94/1,431,013.40
  6. Step 6: Final answer
    x = 1,516,664.10

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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.