Home / 1,520,252.70-2,281,277.61-561,379.92

Finding the Fourth Proportional to 1,520,252.70, 2,281,277.61 and 561,379.92

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Solution

The fourth proportional to 1,520,252.70, 2,281,277.61 and 561,379.92 is: 842,401.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,252.70 : 2,281,277.61 = 561,379.92 : x
  2. Step 2: Convert to fraction form
    1,520,252.70/2,281,277.61 = 561,379.92/x
  3. Step 3: Cross multiply
    1,520,252.70x = 2,281,277.61 × 561,379.92
  4. Step 4: Simplify right side
    1,520,252.70x = 1,280,663,442,199.59
  5. Step 5: Solve for x
    x = 1,280,663,442,199.59/1,520,252.70
  6. Step 6: Final answer
    x = 842,401.69

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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.