Home / 1,272,031.76-1,753,554.60-888,868.88

Finding the Fourth Proportional to 1,272,031.76, 1,753,554.60 and 888,868.88

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Solution

The fourth proportional to 1,272,031.76, 1,753,554.60 and 888,868.88 is: 1,225,346.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,031.76 : 1,753,554.60 = 888,868.88 : x
  2. Step 2: Convert to fraction form
    1,272,031.76/1,753,554.60 = 888,868.88/x
  3. Step 3: Cross multiply
    1,272,031.76x = 1,753,554.60 × 888,868.88
  4. Step 4: Simplify right side
    1,272,031.76x = 1,558,680,113,320.85
  5. Step 5: Solve for x
    x = 1,558,680,113,320.85/1,272,031.76
  6. Step 6: Final answer
    x = 1,225,346.85

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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.