Home / 1,152,501.20-1,728,939.29-432,898.92

Finding the Fourth Proportional to 1,152,501.20, 1,728,939.29 and 432,898.92

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Solution

The fourth proportional to 1,152,501.20, 1,728,939.29 and 432,898.92 is: 649,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,501.20 : 1,728,939.29 = 432,898.92 : x
  2. Step 2: Convert to fraction form
    1,152,501.20/1,728,939.29 = 432,898.92/x
  3. Step 3: Cross multiply
    1,152,501.20x = 1,728,939.29 × 432,898.92
  4. Step 4: Simplify right side
    1,152,501.20x = 748,455,952,468.81
  5. Step 5: Solve for x
    x = 748,455,952,468.81/1,152,501.20
  6. Step 6: Final answer
    x = 649,418.80

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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.