Home / 1,248,896.80-1,873,345.20-680,058.10

Finding the Fourth Proportional to 1,248,896.80, 1,873,345.20 and 680,058.10

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Solution

The fourth proportional to 1,248,896.80, 1,873,345.20 and 680,058.10 is: 1,020,087.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,896.80 : 1,873,345.20 = 680,058.10 : x
  2. Step 2: Convert to fraction form
    1,248,896.80/1,873,345.20 = 680,058.10/x
  3. Step 3: Cross multiply
    1,248,896.80x = 1,873,345.20 × 680,058.10
  4. Step 4: Simplify right side
    1,248,896.80x = 1,273,983,577,356.12
  5. Step 5: Solve for x
    x = 1,273,983,577,356.12/1,248,896.80
  6. Step 6: Final answer
    x = 1,020,087.15

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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.