Home / 1,754,195.52-2,420,859.36-990,275.52

Finding the Fourth Proportional to 1,754,195.52, 2,420,859.36 and 990,275.52

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Solution

The fourth proportional to 1,754,195.52, 2,420,859.36 and 990,275.52 is: 1,366,619.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754,195.52 : 2,420,859.36 = 990,275.52 : x
  2. Step 2: Convert to fraction form
    1,754,195.52/2,420,859.36 = 990,275.52/x
  3. Step 3: Cross multiply
    1,754,195.52x = 2,420,859.36 × 990,275.52
  4. Step 4: Simplify right side
    1,754,195.52x = 2,397,317,761,570.87
  5. Step 5: Solve for x
    x = 2,397,317,761,570.87/1,754,195.52
  6. Step 6: Final answer
    x = 1,366,619.48

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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.