Home / 1,172,108.64-1,757,813.04-498,187.02

Finding the Fourth Proportional to 1,172,108.64, 1,757,813.04 and 498,187.02

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Solution

The fourth proportional to 1,172,108.64, 1,757,813.04 and 498,187.02 is: 747,131.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,108.64 : 1,757,813.04 = 498,187.02 : x
  2. Step 2: Convert to fraction form
    1,172,108.64/1,757,813.04 = 498,187.02/x
  3. Step 3: Cross multiply
    1,172,108.64x = 1,757,813.04 × 498,187.02
  4. Step 4: Simplify right side
    1,172,108.64x = 875,719,640,114.74
  5. Step 5: Solve for x
    x = 875,719,640,114.74/1,172,108.64
  6. Step 6: Final answer
    x = 747,131.80

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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.