Home / 814,282.20-1,221,423.30-682,406.10

Finding the Fourth Proportional to 814,282.20, 1,221,423.30 and 682,406.10

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Solution

The fourth proportional to 814,282.20, 1,221,423.30 and 682,406.10 is: 1,023,609.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,282.20 : 1,221,423.30 = 682,406.10 : x
  2. Step 2: Convert to fraction form
    814,282.20/1,221,423.30 = 682,406.10/x
  3. Step 3: Cross multiply
    814,282.20x = 1,221,423.30 × 682,406.10
  4. Step 4: Simplify right side
    814,282.20x = 833,506,710,602.13
  5. Step 5: Solve for x
    x = 833,506,710,602.13/814,282.20
  6. Step 6: Final answer
    x = 1,023,609.15

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1.5x scale

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.