Home / 1,431,654-2,147,493.96-434,382

Finding the Fourth Proportional to 1,431,654, 2,147,493.96 and 434,382

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Solution

The fourth proportional to 1,431,654, 2,147,493.96 and 434,382 is: 651,576.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,654 : 2,147,493.96 = 434,382 : x
  2. Step 2: Convert to fraction form
    1,431,654/2,147,493.96 = 434,382/x
  3. Step 3: Cross multiply
    1,431,654x = 2,147,493.96 × 434,382
  4. Step 4: Simplify right side
    1,431,654x = 932,832,721,332.72
  5. Step 5: Solve for x
    x = 932,832,721,332.72/1,431,654
  6. Step 6: Final answer
    x = 651,576.93

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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.