Home / 1,509,419.76-2,264,129.68-387,488.80

Finding the Fourth Proportional to 1,509,419.76, 2,264,129.68 and 387,488.80

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Solution

The fourth proportional to 1,509,419.76, 2,264,129.68 and 387,488.80 is: 581,233.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,419.76 : 2,264,129.68 = 387,488.80 : x
  2. Step 2: Convert to fraction form
    1,509,419.76/2,264,129.68 = 387,488.80/x
  3. Step 3: Cross multiply
    1,509,419.76x = 2,264,129.68 × 387,488.80
  4. Step 4: Simplify right side
    1,509,419.76x = 877,324,892,747.58
  5. Step 5: Solve for x
    x = 877,324,892,747.58/1,509,419.76
  6. Step 6: Final answer
    x = 581,233.21

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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.