Home / 915,087.30-1,372,630.95-737,940.30

Finding the Fourth Proportional to 915,087.30, 1,372,630.95 and 737,940.30

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Solution

The fourth proportional to 915,087.30, 1,372,630.95 and 737,940.30 is: 1,106,910.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,087.30 : 1,372,630.95 = 737,940.30 : x
  2. Step 2: Convert to fraction form
    915,087.30/1,372,630.95 = 737,940.30/x
  3. Step 3: Cross multiply
    915,087.30x = 1,372,630.95 × 737,940.30
  4. Step 4: Simplify right side
    915,087.30x = 1,012,919,695,032.29
  5. Step 5: Solve for x
    x = 1,012,919,695,032.29/915,087.30
  6. Step 6: Final answer
    x = 1,106,910.45

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Double scale
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Similar ratio
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1.5x scale

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.