Home / 1,116,158.80-1,540,254.55-657,292.71

Finding the Fourth Proportional to 1,116,158.80, 1,540,254.55 and 657,292.71

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Solution

The fourth proportional to 1,116,158.80, 1,540,254.55 and 657,292.71 is: 907,037.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,158.80 : 1,540,254.55 = 657,292.71 : x
  2. Step 2: Convert to fraction form
    1,116,158.80/1,540,254.55 = 657,292.71/x
  3. Step 3: Cross multiply
    1,116,158.80x = 1,540,254.55 × 657,292.71
  4. Step 4: Simplify right side
    1,116,158.80x = 1,012,398,091,382.78
  5. Step 5: Solve for x
    x = 1,012,398,091,382.78/1,116,158.80
  6. Step 6: Final answer
    x = 907,037.68

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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.