Home / 1,452,987.95-2,179,813.62-442,253.15

Finding the Fourth Proportional to 1,452,987.95, 2,179,813.62 and 442,253.15

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Solution

The fourth proportional to 1,452,987.95, 2,179,813.62 and 442,253.15 is: 663,480.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,987.95 : 2,179,813.62 = 442,253.15 : x
  2. Step 2: Convert to fraction form
    1,452,987.95/2,179,813.62 = 442,253.15/x
  3. Step 3: Cross multiply
    1,452,987.95x = 2,179,813.62 × 442,253.15
  4. Step 4: Simplify right side
    1,452,987.95x = 964,029,439,857.90
  5. Step 5: Solve for x
    x = 964,029,439,857.90/1,452,987.95
  6. Step 6: Final answer
    x = 663,480.68

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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.