Home / 1,341,638.98-2,012,031.51-442,913.38

Finding the Fourth Proportional to 1,341,638.98, 2,012,031.51 and 442,913.38

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Solution

The fourth proportional to 1,341,638.98, 2,012,031.51 and 442,913.38 is: 664,229.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,638.98 : 2,012,031.51 = 442,913.38 : x
  2. Step 2: Convert to fraction form
    1,341,638.98/2,012,031.51 = 442,913.38/x
  3. Step 3: Cross multiply
    1,341,638.98x = 2,012,031.51 × 442,913.38
  4. Step 4: Simplify right side
    1,341,638.98x = 891,155,676,760.60
  5. Step 5: Solve for x
    x = 891,155,676,760.60/1,341,638.98
  6. Step 6: Final answer
    x = 664,229.12

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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.