Home / 1,248,836.40-1,873,254.60-910,288.80

Finding the Fourth Proportional to 1,248,836.40, 1,873,254.60 and 910,288.80

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Solution

The fourth proportional to 1,248,836.40, 1,873,254.60 and 910,288.80 is: 1,365,433.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,836.40 : 1,873,254.60 = 910,288.80 : x
  2. Step 2: Convert to fraction form
    1,248,836.40/1,873,254.60 = 910,288.80/x
  3. Step 3: Cross multiply
    1,248,836.40x = 1,873,254.60 × 910,288.80
  4. Step 4: Simplify right side
    1,248,836.40x = 1,705,202,681,928.48
  5. Step 5: Solve for x
    x = 1,705,202,681,928.48/1,248,836.40
  6. Step 6: Final answer
    x = 1,365,433.20

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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.