Home / 1,247,848.92-1,722,031.50-674,889.06

Finding the Fourth Proportional to 1,247,848.92, 1,722,031.50 and 674,889.06

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Solution

The fourth proportional to 1,247,848.92, 1,722,031.50 and 674,889.06 is: 931,346.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,848.92 : 1,722,031.50 = 674,889.06 : x
  2. Step 2: Convert to fraction form
    1,247,848.92/1,722,031.50 = 674,889.06/x
  3. Step 3: Cross multiply
    1,247,848.92x = 1,722,031.50 × 674,889.06
  4. Step 4: Simplify right side
    1,247,848.92x = 1,162,180,220,325.39
  5. Step 5: Solve for x
    x = 1,162,180,220,325.39/1,247,848.92
  6. Step 6: Final answer
    x = 931,346.90

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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.