Home / 1,281,246-1,923,028.11-682,712.70

Finding the Fourth Proportional to 1,281,246, 1,923,028.11 and 682,712.70

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Solution

The fourth proportional to 1,281,246, 1,923,028.11 and 682,712.70 is: 1,024,686.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,246 : 1,923,028.11 = 682,712.70 : x
  2. Step 2: Convert to fraction form
    1,281,246/1,923,028.11 = 682,712.70/x
  3. Step 3: Cross multiply
    1,281,246x = 1,923,028.11 × 682,712.70
  4. Step 4: Simplify right side
    1,281,246x = 1,312,875,713,154.00
  5. Step 5: Solve for x
    x = 1,312,875,713,154.00/1,281,246
  6. Step 6: Final answer
    x = 1,024,686.68

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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.