Home / 1,145,770.76-1,718,656.86-435,634.76

Finding the Fourth Proportional to 1,145,770.76, 1,718,656.86 and 435,634.76

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Solution

The fourth proportional to 1,145,770.76, 1,718,656.86 and 435,634.76 is: 653,452.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,770.76 : 1,718,656.86 = 435,634.76 : x
  2. Step 2: Convert to fraction form
    1,145,770.76/1,718,656.86 = 435,634.76/x
  3. Step 3: Cross multiply
    1,145,770.76x = 1,718,656.86 × 435,634.76
  4. Step 4: Simplify right side
    1,145,770.76x = 748,706,668,728.45
  5. Step 5: Solve for x
    x = 748,706,668,728.45/1,145,770.76
  6. Step 6: Final answer
    x = 653,452.41

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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.