Home / 1,298,935.92-1,948,062.44-387,902.18

Finding the Fourth Proportional to 1,298,935.92, 1,948,062.44 and 387,902.18

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Solution

The fourth proportional to 1,298,935.92, 1,948,062.44 and 387,902.18 is: 581,751.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,935.92 : 1,948,062.44 = 387,902.18 : x
  2. Step 2: Convert to fraction form
    1,298,935.92/1,948,062.44 = 387,902.18/x
  3. Step 3: Cross multiply
    1,298,935.92x = 1,948,062.44 × 387,902.18
  4. Step 4: Simplify right side
    1,298,935.92x = 755,657,667,252.12
  5. Step 5: Solve for x
    x = 755,657,667,252.12/1,298,935.92
  6. Step 6: Final answer
    x = 581,751.31

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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.