Home / 1,242,026.10-1,863,039.15-443,333.70

Finding the Fourth Proportional to 1,242,026.10, 1,863,039.15 and 443,333.70

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Solution

The fourth proportional to 1,242,026.10, 1,863,039.15 and 443,333.70 is: 665,000.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,026.10 : 1,863,039.15 = 443,333.70 : x
  2. Step 2: Convert to fraction form
    1,242,026.10/1,863,039.15 = 443,333.70/x
  3. Step 3: Cross multiply
    1,242,026.10x = 1,863,039.15 × 443,333.70
  4. Step 4: Simplify right side
    1,242,026.10x = 825,948,039,614.36
  5. Step 5: Solve for x
    x = 825,948,039,614.36/1,242,026.10
  6. Step 6: Final answer
    x = 665,000.55

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1.5x scale

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.