Home / 1,100,549.70-1,650,824.55-781,685.10

Finding the Fourth Proportional to 1,100,549.70, 1,650,824.55 and 781,685.10

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Solution

The fourth proportional to 1,100,549.70, 1,650,824.55 and 781,685.10 is: 1,172,527.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,549.70 : 1,650,824.55 = 781,685.10 : x
  2. Step 2: Convert to fraction form
    1,100,549.70/1,650,824.55 = 781,685.10/x
  3. Step 3: Cross multiply
    1,100,549.70x = 1,650,824.55 × 781,685.10
  4. Step 4: Simplify right side
    1,100,549.70x = 1,290,424,953,449.21
  5. Step 5: Solve for x
    x = 1,290,424,953,449.21/1,100,549.70
  6. Step 6: Final answer
    x = 1,172,527.65

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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.