Home / 1,053,863.40-1,580,799.16-255,143.74

Finding the Fourth Proportional to 1,053,863.40, 1,580,799.16 and 255,143.74

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Solution

The fourth proportional to 1,053,863.40, 1,580,799.16 and 255,143.74 is: 382,716.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,863.40 : 1,580,799.16 = 255,143.74 : x
  2. Step 2: Convert to fraction form
    1,053,863.40/1,580,799.16 = 255,143.74/x
  3. Step 3: Cross multiply
    1,053,863.40x = 1,580,799.16 × 255,143.74
  4. Step 4: Simplify right side
    1,053,863.40x = 403,331,009,871.26
  5. Step 5: Solve for x
    x = 403,331,009,871.26/1,053,863.40
  6. Step 6: Final answer
    x = 382,716.59

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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.