Home / 1,859,875.08-2,790,876.95-722,489.88

Finding the Fourth Proportional to 1,859,875.08, 2,790,876.95 and 722,489.88

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Solution

The fourth proportional to 1,859,875.08, 2,790,876.95 and 722,489.88 is: 1,084,148.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,875.08 : 2,790,876.95 = 722,489.88 : x
  2. Step 2: Convert to fraction form
    1,859,875.08/2,790,876.95 = 722,489.88/x
  3. Step 3: Cross multiply
    1,859,875.08x = 2,790,876.95 × 722,489.88
  4. Step 4: Simplify right side
    1,859,875.08x = 2,016,380,352,700.27
  5. Step 5: Solve for x
    x = 2,016,380,352,700.27/1,859,875.08
  6. Step 6: Final answer
    x = 1,084,148.27

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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.