Home / 1,559,929.14-2,338,398.78-660,132.78

Finding the Fourth Proportional to 1,559,929.14, 2,338,398.78 and 660,132.78

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Solution

The fourth proportional to 1,559,929.14, 2,338,398.78 and 660,132.78 is: 989,566.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,929.14 : 2,338,398.78 = 660,132.78 : x
  2. Step 2: Convert to fraction form
    1,559,929.14/2,338,398.78 = 660,132.78/x
  3. Step 3: Cross multiply
    1,559,929.14x = 2,338,398.78 × 660,132.78
  4. Step 4: Simplify right side
    1,559,929.14x = 1,543,653,687,390.01
  5. Step 5: Solve for x
    x = 1,543,653,687,390.01/1,559,929.14
  6. Step 6: Final answer
    x = 989,566.54

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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.