Home / 987,061.80-1,481,182.60-906,755.16

Finding the Fourth Proportional to 987,061.80, 1,481,182.60 and 906,755.16

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Solution

The fourth proportional to 987,061.80, 1,481,182.60 and 906,755.16 is: 1,360,674.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,061.80 : 1,481,182.60 = 906,755.16 : x
  2. Step 2: Convert to fraction form
    987,061.80/1,481,182.60 = 906,755.16/x
  3. Step 3: Cross multiply
    987,061.80x = 1,481,182.60 × 906,755.16
  4. Step 4: Simplify right side
    987,061.80x = 1,343,069,965,452.22
  5. Step 5: Solve for x
    x = 1,343,069,965,452.22/987,061.80
  6. Step 6: Final answer
    x = 1,360,674.65

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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.