Home / 1,038,527.20-1,557,790.80-478,655.20

Finding the Fourth Proportional to 1,038,527.20, 1,557,790.80 and 478,655.20

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Solution

The fourth proportional to 1,038,527.20, 1,557,790.80 and 478,655.20 is: 717,982.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,527.20 : 1,557,790.80 = 478,655.20 : x
  2. Step 2: Convert to fraction form
    1,038,527.20/1,557,790.80 = 478,655.20/x
  3. Step 3: Cross multiply
    1,038,527.20x = 1,557,790.80 × 478,655.20
  4. Step 4: Simplify right side
    1,038,527.20x = 745,644,666,932.16
  5. Step 5: Solve for x
    x = 745,644,666,932.16/1,038,527.20
  6. Step 6: Final answer
    x = 717,982.80

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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.