Home / 1,330,593.85-1,995,398.70-432,064.90

Finding the Fourth Proportional to 1,330,593.85, 1,995,398.70 and 432,064.90

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Solution

The fourth proportional to 1,330,593.85, 1,995,398.70 and 432,064.90 is: 647,937.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,593.85 : 1,995,398.70 = 432,064.90 : x
  2. Step 2: Convert to fraction form
    1,330,593.85/1,995,398.70 = 432,064.90/x
  3. Step 3: Cross multiply
    1,330,593.85x = 1,995,398.70 × 432,064.90
  4. Step 4: Simplify right side
    1,330,593.85x = 862,141,739,775.63
  5. Step 5: Solve for x
    x = 862,141,739,775.63/1,330,593.85
  6. Step 6: Final answer
    x = 647,937.57

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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.