Home / 1,325,366.60-1,988,309.10-526,512.20

Finding the Fourth Proportional to 1,325,366.60, 1,988,309.10 and 526,512.20

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Solution

The fourth proportional to 1,325,366.60, 1,988,309.10 and 526,512.20 is: 789,871.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,366.60 : 1,988,309.10 = 526,512.20 : x
  2. Step 2: Convert to fraction form
    1,325,366.60/1,988,309.10 = 526,512.20/x
  3. Step 3: Cross multiply
    1,325,366.60x = 1,988,309.10 × 526,512.20
  4. Step 4: Simplify right side
    1,325,366.60x = 1,046,868,998,521.02
  5. Step 5: Solve for x
    x = 1,046,868,998,521.02/1,325,366.60
  6. Step 6: Final answer
    x = 789,871.27

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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.