Home / 1,098,299.60-1,645,699.80-814,864.40

Finding the Fourth Proportional to 1,098,299.60, 1,645,699.80 and 814,864.40

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Solution

The fourth proportional to 1,098,299.60, 1,645,699.80 and 814,864.40 is: 1,220,998.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,299.60 : 1,645,699.80 = 814,864.40 : x
  2. Step 2: Convert to fraction form
    1,098,299.60/1,645,699.80 = 814,864.40/x
  3. Step 3: Cross multiply
    1,098,299.60x = 1,645,699.80 × 814,864.40
  4. Step 4: Simplify right side
    1,098,299.60x = 1,341,022,180,107.12
  5. Step 5: Solve for x
    x = 1,341,022,180,107.12/1,098,299.60
  6. Step 6: Final answer
    x = 1,220,998.51

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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.