Home / 1,431,730.13-2,147,608.17-434,458.13

Finding the Fourth Proportional to 1,431,730.13, 2,147,608.17 and 434,458.13

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Solution

The fourth proportional to 1,431,730.13, 2,147,608.17 and 434,458.13 is: 651,691.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,730.13 : 2,147,608.17 = 434,458.13 : x
  2. Step 2: Convert to fraction form
    1,431,730.13/2,147,608.17 = 434,458.13/x
  3. Step 3: Cross multiply
    1,431,730.13x = 2,147,608.17 × 434,458.13
  4. Step 4: Simplify right side
    1,431,730.13x = 933,045,818,772.88
  5. Step 5: Solve for x
    x = 933,045,818,772.88/1,431,730.13
  6. Step 6: Final answer
    x = 651,691.13

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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.