Home / 1,005,687.77-1,507,535.22-472,253.90

Finding the Fourth Proportional to 1,005,687.77, 1,507,535.22 and 472,253.90

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Solution

The fourth proportional to 1,005,687.77, 1,507,535.22 and 472,253.90 is: 707,912.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,687.77 : 1,507,535.22 = 472,253.90 : x
  2. Step 2: Convert to fraction form
    1,005,687.77/1,507,535.22 = 472,253.90/x
  3. Step 3: Cross multiply
    1,005,687.77x = 1,507,535.22 × 472,253.90
  4. Step 4: Simplify right side
    1,005,687.77x = 711,939,387,032.36
  5. Step 5: Solve for x
    x = 711,939,387,032.36/1,005,687.77
  6. Step 6: Final answer
    x = 707,912.94

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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.