Home / 815,087.80-1,223,943.90-615,633.40

Finding the Fourth Proportional to 815,087.80, 1,223,943.90 and 615,633.40

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Solution

The fourth proportional to 815,087.80, 1,223,943.90 and 615,633.40 is: 924,441.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,087.80 : 1,223,943.90 = 615,633.40 : x
  2. Step 2: Convert to fraction form
    815,087.80/1,223,943.90 = 615,633.40/x
  3. Step 3: Cross multiply
    815,087.80x = 1,223,943.90 × 615,633.40
  4. Step 4: Simplify right side
    815,087.80x = 753,500,744,566.26
  5. Step 5: Solve for x
    x = 753,500,744,566.26/815,087.80
  6. Step 6: Final answer
    x = 924,441.20

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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.