Home / 1,028,800.00-1,543,200.17-429,434.19

Finding the Fourth Proportional to 1,028,800.00, 1,543,200.17 and 429,434.19

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Solution

The fourth proportional to 1,028,800.00, 1,543,200.17 and 429,434.19 is: 644,151.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,800.00 : 1,543,200.17 = 429,434.19 : x
  2. Step 2: Convert to fraction form
    1,028,800.00/1,543,200.17 = 429,434.19/x
  3. Step 3: Cross multiply
    1,028,800.00x = 1,543,200.17 × 429,434.19
  4. Step 4: Simplify right side
    1,028,800.00x = 662,702,919,978.92
  5. Step 5: Solve for x
    x = 662,702,919,978.92/1,028,800.00
  6. Step 6: Final answer
    x = 644,151.36

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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.