Home / 1,503,009.22-2,074,145.12-814,678.30

Finding the Fourth Proportional to 1,503,009.22, 2,074,145.12 and 814,678.30

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Solution

The fourth proportional to 1,503,009.22, 2,074,145.12 and 814,678.30 is: 1,124,251.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,009.22 : 2,074,145.12 = 814,678.30 : x
  2. Step 2: Convert to fraction form
    1,503,009.22/2,074,145.12 = 814,678.30/x
  3. Step 3: Cross multiply
    1,503,009.22x = 2,074,145.12 × 814,678.30
  4. Step 4: Simplify right side
    1,503,009.22x = 1,689,761,020,314.90
  5. Step 5: Solve for x
    x = 1,689,761,020,314.90/1,503,009.22
  6. Step 6: Final answer
    x = 1,124,251.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.