Home / 1,142,249.27-1,713,590.19-459,189.05

Finding the Fourth Proportional to 1,142,249.27, 1,713,590.19 and 459,189.05

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Solution

The fourth proportional to 1,142,249.27, 1,713,590.19 and 459,189.05 is: 688,870.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,249.27 : 1,713,590.19 = 459,189.05 : x
  2. Step 2: Convert to fraction form
    1,142,249.27/1,713,590.19 = 459,189.05/x
  3. Step 3: Cross multiply
    1,142,249.27x = 1,713,590.19 × 459,189.05
  4. Step 4: Simplify right side
    1,142,249.27x = 786,861,842,867.47
  5. Step 5: Solve for x
    x = 786,861,842,867.47/1,142,249.27
  6. Step 6: Final answer
    x = 688,870.52

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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.