Home / 815,497.70-1,223,246.55-740,702.30

Finding the Fourth Proportional to 815,497.70, 1,223,246.55 and 740,702.30

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Solution

The fourth proportional to 815,497.70, 1,223,246.55 and 740,702.30 is: 1,111,053.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,497.70 : 1,223,246.55 = 740,702.30 : x
  2. Step 2: Convert to fraction form
    815,497.70/1,223,246.55 = 740,702.30/x
  3. Step 3: Cross multiply
    815,497.70x = 1,223,246.55 × 740,702.30
  4. Step 4: Simplify right side
    815,497.70x = 906,061,533,052.07
  5. Step 5: Solve for x
    x = 906,061,533,052.07/815,497.70
  6. Step 6: Final answer
    x = 1,111,053.45

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Similar ratio
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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.