Home / 1,344,077.80-2,016,116.70-1,207,220.20

Finding the Fourth Proportional to 1,344,077.80, 2,016,116.70 and 1,207,220.20

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Solution

The fourth proportional to 1,344,077.80, 2,016,116.70 and 1,207,220.20 is: 1,810,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,077.80 : 2,016,116.70 = 1,207,220.20 : x
  2. Step 2: Convert to fraction form
    1,344,077.80/2,016,116.70 = 1,207,220.20/x
  3. Step 3: Cross multiply
    1,344,077.80x = 2,016,116.70 × 1,207,220.20
  4. Step 4: Simplify right side
    1,344,077.80x = 2,433,896,805,797.34
  5. Step 5: Solve for x
    x = 2,433,896,805,797.34/1,344,077.80
  6. Step 6: Final answer
    x = 1,810,830.30

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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.