Home / 1,298,304.88-1,791,627.72-725,349.36

Finding the Fourth Proportional to 1,298,304.88, 1,791,627.72 and 725,349.36

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Solution

The fourth proportional to 1,298,304.88, 1,791,627.72 and 725,349.36 is: 1,000,963.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,304.88 : 1,791,627.72 = 725,349.36 : x
  2. Step 2: Convert to fraction form
    1,298,304.88/1,791,627.72 = 725,349.36/x
  3. Step 3: Cross multiply
    1,298,304.88x = 1,791,627.72 × 725,349.36
  4. Step 4: Simplify right side
    1,298,304.88x = 1,299,556,020,060.26
  5. Step 5: Solve for x
    x = 1,299,556,020,060.26/1,298,304.88
  6. Step 6: Final answer
    x = 1,000,963.67

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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.