Home / 1,098,165.60-1,645,498.80-814,730.40

Finding the Fourth Proportional to 1,098,165.60, 1,645,498.80 and 814,730.40

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Solution

The fourth proportional to 1,098,165.60, 1,645,498.80 and 814,730.40 is: 1,220,797.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,165.60 : 1,645,498.80 = 814,730.40 : x
  2. Step 2: Convert to fraction form
    1,098,165.60/1,645,498.80 = 814,730.40/x
  3. Step 3: Cross multiply
    1,098,165.60x = 1,645,498.80 × 814,730.40
  4. Step 4: Simplify right side
    1,098,165.60x = 1,340,637,895,523.52
  5. Step 5: Solve for x
    x = 1,340,637,895,523.52/1,098,165.60
  6. Step 6: Final answer
    x = 1,220,797.57

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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.