Home / 1,028,521.80-1,540,158.30-818,569.80

Finding the Fourth Proportional to 1,028,521.80, 1,540,158.30 and 818,569.80

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Solution

The fourth proportional to 1,028,521.80, 1,540,158.30 and 818,569.80 is: 1,225,766.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,521.80 : 1,540,158.30 = 818,569.80 : x
  2. Step 2: Convert to fraction form
    1,028,521.80/1,540,158.30 = 818,569.80/x
  3. Step 3: Cross multiply
    1,028,521.80x = 1,540,158.30 × 818,569.80
  4. Step 4: Simplify right side
    1,028,521.80x = 1,260,727,071,599.34
  5. Step 5: Solve for x
    x = 1,260,727,071,599.34/1,028,521.80
  6. Step 6: Final answer
    x = 1,225,766.02

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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.