Home / 1,124,562.90-1,687,621.95-809,246.10

Finding the Fourth Proportional to 1,124,562.90, 1,687,621.95 and 809,246.10

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Solution

The fourth proportional to 1,124,562.90, 1,687,621.95 and 809,246.10 is: 1,214,428.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,562.90 : 1,687,621.95 = 809,246.10 : x
  2. Step 2: Convert to fraction form
    1,124,562.90/1,687,621.95 = 809,246.10/x
  3. Step 3: Cross multiply
    1,124,562.90x = 1,687,621.95 × 809,246.10
  4. Step 4: Simplify right side
    1,124,562.90x = 1,365,701,481,311.90
  5. Step 5: Solve for x
    x = 1,365,701,481,311.90/1,124,562.90
  6. Step 6: Final answer
    x = 1,214,428.72

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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.