Home / 915,326.86-1,263,743.96-588,785.89

Finding the Fourth Proportional to 915,326.86, 1,263,743.96 and 588,785.89

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Solution

The fourth proportional to 915,326.86, 1,263,743.96 and 588,785.89 is: 812,905.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,326.86 : 1,263,743.96 = 588,785.89 : x
  2. Step 2: Convert to fraction form
    915,326.86/1,263,743.96 = 588,785.89/x
  3. Step 3: Cross multiply
    915,326.86x = 1,263,743.96 × 588,785.89
  4. Step 4: Simplify right side
    915,326.86x = 744,074,612,220.72
  5. Step 5: Solve for x
    x = 744,074,612,220.72/915,326.86
  6. Step 6: Final answer
    x = 812,905.91

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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.