Home / 1,255,915.80-1,733,209.38-719,475.48

Finding the Fourth Proportional to 1,255,915.80, 1,733,209.38 and 719,475.48

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Solution

The fourth proportional to 1,255,915.80, 1,733,209.38 and 719,475.48 is: 992,902.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,915.80 : 1,733,209.38 = 719,475.48 : x
  2. Step 2: Convert to fraction form
    1,255,915.80/1,733,209.38 = 719,475.48/x
  3. Step 3: Cross multiply
    1,255,915.80x = 1,733,209.38 × 719,475.48
  4. Step 4: Simplify right side
    1,255,915.80x = 1,247,001,650,616.00
  5. Step 5: Solve for x
    x = 1,247,001,650,616.00/1,255,915.80
  6. Step 6: Final answer
    x = 992,902.27

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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.