Home / 1,270,159.52-1,752,022.84-753,547.66

Finding the Fourth Proportional to 1,270,159.52, 1,752,022.84 and 753,547.66

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Solution

The fourth proportional to 1,270,159.52, 1,752,022.84 and 753,547.66 is: 1,039,422.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,159.52 : 1,752,022.84 = 753,547.66 : x
  2. Step 2: Convert to fraction form
    1,270,159.52/1,752,022.84 = 753,547.66/x
  3. Step 3: Cross multiply
    1,270,159.52x = 1,752,022.84 × 753,547.66
  4. Step 4: Simplify right side
    1,270,159.52x = 1,320,232,711,348.55
  5. Step 5: Solve for x
    x = 1,320,232,711,348.55/1,270,159.52
  6. Step 6: Final answer
    x = 1,039,422.76

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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.