Home / 1,237,776.62-1,708,691.31-779,564.54

Finding the Fourth Proportional to 1,237,776.62, 1,708,691.31 and 779,564.54

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Solution

The fourth proportional to 1,237,776.62, 1,708,691.31 and 779,564.54 is: 1,076,151.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,776.62 : 1,708,691.31 = 779,564.54 : x
  2. Step 2: Convert to fraction form
    1,237,776.62/1,708,691.31 = 779,564.54/x
  3. Step 3: Cross multiply
    1,237,776.62x = 1,708,691.31 × 779,564.54
  4. Step 4: Simplify right side
    1,237,776.62x = 1,332,035,155,082.15
  5. Step 5: Solve for x
    x = 1,332,035,155,082.15/1,237,776.62
  6. Step 6: Final answer
    x = 1,076,151.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.