Home / 1,579,217.80-2,368,827.12-442,147.52

Finding the Fourth Proportional to 1,579,217.80, 2,368,827.12 and 442,147.52

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Solution

The fourth proportional to 1,579,217.80, 2,368,827.12 and 442,147.52 is: 663,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,217.80 : 2,368,827.12 = 442,147.52 : x
  2. Step 2: Convert to fraction form
    1,579,217.80/2,368,827.12 = 442,147.52/x
  3. Step 3: Cross multiply
    1,579,217.80x = 2,368,827.12 × 442,147.52
  4. Step 4: Simplify right side
    1,579,217.80x = 1,047,371,036,416.74
  5. Step 5: Solve for x
    x = 1,047,371,036,416.74/1,579,217.80
  6. Step 6: Final answer
    x = 663,221.40

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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.