Home / 1,361,397.24-2,042,235.54-520,656.12

Finding the Fourth Proportional to 1,361,397.24, 2,042,235.54 and 520,656.12

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Solution

The fourth proportional to 1,361,397.24, 2,042,235.54 and 520,656.12 is: 781,037.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,397.24 : 2,042,235.54 = 520,656.12 : x
  2. Step 2: Convert to fraction form
    1,361,397.24/2,042,235.54 = 520,656.12/x
  3. Step 3: Cross multiply
    1,361,397.24x = 2,042,235.54 × 520,656.12
  4. Step 4: Simplify right side
    1,361,397.24x = 1,063,302,432,382.50
  5. Step 5: Solve for x
    x = 1,063,302,432,382.50/1,361,397.24
  6. Step 6: Final answer
    x = 781,037.60

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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.