Home / 1,165,512.38-1,748,518.65-660,315.38

Finding the Fourth Proportional to 1,165,512.38, 1,748,518.65 and 660,315.38

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Solution

The fourth proportional to 1,165,512.38, 1,748,518.65 and 660,315.38 is: 990,614.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,512.38 : 1,748,518.65 = 660,315.38 : x
  2. Step 2: Convert to fraction form
    1,165,512.38/1,748,518.65 = 660,315.38/x
  3. Step 3: Cross multiply
    1,165,512.38x = 1,748,518.65 × 660,315.38
  4. Step 4: Simplify right side
    1,165,512.38x = 1,154,573,748,069.24
  5. Step 5: Solve for x
    x = 1,154,573,748,069.24/1,165,512.38
  6. Step 6: Final answer
    x = 990,614.75

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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.