Home / 1,091,132.78-1,505,809.70-607,697.86

Finding the Fourth Proportional to 1,091,132.78, 1,505,809.70 and 607,697.86

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Solution

The fourth proportional to 1,091,132.78, 1,505,809.70 and 607,697.86 is: 838,648.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,132.78 : 1,505,809.70 = 607,697.86 : x
  2. Step 2: Convert to fraction form
    1,091,132.78/1,505,809.70 = 607,697.86/x
  3. Step 3: Cross multiply
    1,091,132.78x = 1,505,809.70 × 607,697.86
  4. Step 4: Simplify right side
    1,091,132.78x = 915,077,332,257.24
  5. Step 5: Solve for x
    x = 915,077,332,257.24/1,091,132.78
  6. Step 6: Final answer
    x = 838,648.92

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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.