Home / 1,271,038.50-1,906,387.92-472,211.10

Finding the Fourth Proportional to 1,271,038.50, 1,906,387.92 and 472,211.10

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Solution

The fourth proportional to 1,271,038.50, 1,906,387.92 and 472,211.10 is: 708,253.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,038.50 : 1,906,387.92 = 472,211.10 : x
  2. Step 2: Convert to fraction form
    1,271,038.50/1,906,387.92 = 472,211.10/x
  3. Step 3: Cross multiply
    1,271,038.50x = 1,906,387.92 × 472,211.10
  4. Step 4: Simplify right side
    1,271,038.50x = 900,217,536,729.91
  5. Step 5: Solve for x
    x = 900,217,536,729.91/1,271,038.50
  6. Step 6: Final answer
    x = 708,253.56

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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.