Home / 1,246,031.10-1,868,949.45-487,725.30

Finding the Fourth Proportional to 1,246,031.10, 1,868,949.45 and 487,725.30

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Solution

The fourth proportional to 1,246,031.10, 1,868,949.45 and 487,725.30 is: 731,549.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,031.10 : 1,868,949.45 = 487,725.30 : x
  2. Step 2: Convert to fraction form
    1,246,031.10/1,868,949.45 = 487,725.30/x
  3. Step 3: Cross multiply
    1,246,031.10x = 1,868,949.45 × 487,725.30
  4. Step 4: Simplify right side
    1,246,031.10x = 911,533,931,186.09
  5. Step 5: Solve for x
    x = 911,533,931,186.09/1,246,031.10
  6. Step 6: Final answer
    x = 731,549.90

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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.