Home / 721,551.60-1,084,951.80-705,805.20

Finding the Fourth Proportional to 721,551.60, 1,084,951.80 and 705,805.20

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Solution

The fourth proportional to 721,551.60, 1,084,951.80 and 705,805.20 is: 1,061,274.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,551.60 : 1,084,951.80 = 705,805.20 : x
  2. Step 2: Convert to fraction form
    721,551.60/1,084,951.80 = 705,805.20/x
  3. Step 3: Cross multiply
    721,551.60x = 1,084,951.80 × 705,805.20
  4. Step 4: Simplify right side
    721,551.60x = 765,764,622,189.36
  5. Step 5: Solve for x
    x = 765,764,622,189.36/721,551.60
  6. Step 6: Final answer
    x = 1,061,274.93

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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.