Home / 1,157,456.80-1,736,185.20-358,983.10

Finding the Fourth Proportional to 1,157,456.80, 1,736,185.20 and 358,983.10

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Solution

The fourth proportional to 1,157,456.80, 1,736,185.20 and 358,983.10 is: 538,474.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,456.80 : 1,736,185.20 = 358,983.10 : x
  2. Step 2: Convert to fraction form
    1,157,456.80/1,736,185.20 = 358,983.10/x
  3. Step 3: Cross multiply
    1,157,456.80x = 1,736,185.20 × 358,983.10
  4. Step 4: Simplify right side
    1,157,456.80x = 623,261,145,270.12
  5. Step 5: Solve for x
    x = 623,261,145,270.12/1,157,456.80
  6. Step 6: Final answer
    x = 538,474.65

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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.