Home / 1,330,014.10-1,995,301.54-431,385.97

Finding the Fourth Proportional to 1,330,014.10, 1,995,301.54 and 431,385.97

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Solution

The fourth proportional to 1,330,014.10, 1,995,301.54 and 431,385.97 is: 647,169.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,014.10 : 1,995,301.54 = 431,385.97 : x
  2. Step 2: Convert to fraction form
    1,330,014.10/1,995,301.54 = 431,385.97/x
  3. Step 3: Cross multiply
    1,330,014.10x = 1,995,301.54 × 431,385.97
  4. Step 4: Simplify right side
    1,330,014.10x = 860,745,090,275.39
  5. Step 5: Solve for x
    x = 860,745,090,275.39/1,330,014.10
  6. Step 6: Final answer
    x = 647,169.90

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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.