Home / 1,432,109.31-2,146,957.47-621,884.13

Finding the Fourth Proportional to 1,432,109.31, 2,146,957.47 and 621,884.13

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Solution

The fourth proportional to 1,432,109.31, 2,146,957.47 and 621,884.13 is: 932,302.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,109.31 : 2,146,957.47 = 621,884.13 : x
  2. Step 2: Convert to fraction form
    1,432,109.31/2,146,957.47 = 621,884.13/x
  3. Step 3: Cross multiply
    1,432,109.31x = 2,146,957.47 × 621,884.13
  4. Step 4: Simplify right side
    1,432,109.31x = 1,335,158,778,377.95
  5. Step 5: Solve for x
    x = 1,335,158,778,377.95/1,432,109.31
  6. Step 6: Final answer
    x = 932,302.28

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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.