Home / 1,489,553.20-2,234,108.40-542,703.16

Finding the Fourth Proportional to 1,489,553.20, 2,234,108.40 and 542,703.16

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Solution

The fourth proportional to 1,489,553.20, 2,234,108.40 and 542,703.16 is: 813,974.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,553.20 : 2,234,108.40 = 542,703.16 : x
  2. Step 2: Convert to fraction form
    1,489,553.20/2,234,108.40 = 542,703.16/x
  3. Step 3: Cross multiply
    1,489,553.20x = 2,234,108.40 × 542,703.16
  4. Step 4: Simplify right side
    1,489,553.20x = 1,212,457,688,462.54
  5. Step 5: Solve for x
    x = 1,212,457,688,462.54/1,489,553.20
  6. Step 6: Final answer
    x = 813,974.08

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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.