Home / 1,119,129.12-1,679,189.76-586,523.52

Finding the Fourth Proportional to 1,119,129.12, 1,679,189.76 and 586,523.52

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Solution

The fourth proportional to 1,119,129.12, 1,679,189.76 and 586,523.52 is: 880,045.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,129.12 : 1,679,189.76 = 586,523.52 : x
  2. Step 2: Convert to fraction form
    1,119,129.12/1,679,189.76 = 586,523.52/x
  3. Step 3: Cross multiply
    1,119,129.12x = 1,679,189.76 × 586,523.52
  4. Step 4: Simplify right side
    1,119,129.12x = 984,884,288,783.16
  5. Step 5: Solve for x
    x = 984,884,288,783.16/1,119,129.12
  6. Step 6: Final answer
    x = 880,045.27

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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.