Home / 1,149,010.92-1,585,489.95-665,572.14

Finding the Fourth Proportional to 1,149,010.92, 1,585,489.95 and 665,572.14

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Solution

The fourth proportional to 1,149,010.92, 1,585,489.95 and 665,572.14 is: 918,405.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,010.92 : 1,585,489.95 = 665,572.14 : x
  2. Step 2: Convert to fraction form
    1,149,010.92/1,585,489.95 = 665,572.14/x
  3. Step 3: Cross multiply
    1,149,010.92x = 1,585,489.95 × 665,572.14
  4. Step 4: Simplify right side
    1,149,010.92x = 1,055,257,938,969.99
  5. Step 5: Solve for x
    x = 1,055,257,938,969.99/1,149,010.92
  6. Step 6: Final answer
    x = 918,405.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.