Home / 1,491,724.80-2,237,587.20-1,258,444.80

Finding the Fourth Proportional to 1,491,724.80, 2,237,587.20 and 1,258,444.80

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Solution

The fourth proportional to 1,491,724.80, 2,237,587.20 and 1,258,444.80 is: 1,887,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,724.80 : 2,237,587.20 = 1,258,444.80 : x
  2. Step 2: Convert to fraction form
    1,491,724.80/2,237,587.20 = 1,258,444.80/x
  3. Step 3: Cross multiply
    1,491,724.80x = 2,237,587.20 × 1,258,444.80
  4. Step 4: Simplify right side
    1,491,724.80x = 2,815,879,976,386.56
  5. Step 5: Solve for x
    x = 2,815,879,976,386.56/1,491,724.80
  6. Step 6: Final answer
    x = 1,887,667.20

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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.