Home / 1,765,591.40-2,648,387.10-867,609.20

Finding the Fourth Proportional to 1,765,591.40, 2,648,387.10 and 867,609.20

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Solution

The fourth proportional to 1,765,591.40, 2,648,387.10 and 867,609.20 is: 1,301,413.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765,591.40 : 2,648,387.10 = 867,609.20 : x
  2. Step 2: Convert to fraction form
    1,765,591.40/2,648,387.10 = 867,609.20/x
  3. Step 3: Cross multiply
    1,765,591.40x = 2,648,387.10 × 867,609.20
  4. Step 4: Simplify right side
    1,765,591.40x = 2,297,765,013,121.32
  5. Step 5: Solve for x
    x = 2,297,765,013,121.32/1,765,591.40
  6. Step 6: Final answer
    x = 1,301,413.80

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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.