Home / 1,144,986.40-1,718,135.70-435,523.60

Finding the Fourth Proportional to 1,144,986.40, 1,718,135.70 and 435,523.60

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Solution

The fourth proportional to 1,144,986.40, 1,718,135.70 and 435,523.60 is: 653,534.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,986.40 : 1,718,135.70 = 435,523.60 : x
  2. Step 2: Convert to fraction form
    1,144,986.40/1,718,135.70 = 435,523.60/x
  3. Step 3: Cross multiply
    1,144,986.40x = 1,718,135.70 × 435,523.60
  4. Step 4: Simplify right side
    1,144,986.40x = 748,288,645,352.52
  5. Step 5: Solve for x
    x = 748,288,645,352.52/1,144,986.40
  6. Step 6: Final answer
    x = 653,534.96

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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.