Home / 1,428,807.24-2,143,210.92-431,535.24

Finding the Fourth Proportional to 1,428,807.24, 2,143,210.92 and 431,535.24

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Solution

The fourth proportional to 1,428,807.24, 2,143,210.92 and 431,535.24 is: 647,302.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,807.24 : 2,143,210.92 = 431,535.24 : x
  2. Step 2: Convert to fraction form
    1,428,807.24/2,143,210.92 = 431,535.24/x
  3. Step 3: Cross multiply
    1,428,807.24x = 2,143,210.92 × 431,535.24
  4. Step 4: Simplify right side
    1,428,807.24x = 924,871,038,732.82
  5. Step 5: Solve for x
    x = 924,871,038,732.82/1,428,807.24
  6. Step 6: Final answer
    x = 647,302.88

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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.