Home / 1,240,877.97-1,862,891.96-1,055,070.45

Finding the Fourth Proportional to 1,240,877.97, 1,862,891.96 and 1,055,070.45

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Solution

The fourth proportional to 1,240,877.97, 1,862,891.96 and 1,055,070.45 is: 1,583,944.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,877.97 : 1,862,891.96 = 1,055,070.45 : x
  2. Step 2: Convert to fraction form
    1,240,877.97/1,862,891.96 = 1,055,070.45/x
  3. Step 3: Cross multiply
    1,240,877.97x = 1,862,891.96 × 1,055,070.45
  4. Step 4: Simplify right side
    1,240,877.97x = 1,965,482,253,263.23
  5. Step 5: Solve for x
    x = 1,965,482,253,263.23/1,240,877.97
  6. Step 6: Final answer
    x = 1,583,944.84

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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.