Home / 1,377,344.20-2,066,016.30-578,360.20

Finding the Fourth Proportional to 1,377,344.20, 2,066,016.30 and 578,360.20

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Solution

The fourth proportional to 1,377,344.20, 2,066,016.30 and 578,360.20 is: 867,540.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,344.20 : 2,066,016.30 = 578,360.20 : x
  2. Step 2: Convert to fraction form
    1,377,344.20/2,066,016.30 = 578,360.20/x
  3. Step 3: Cross multiply
    1,377,344.20x = 2,066,016.30 × 578,360.20
  4. Step 4: Simplify right side
    1,377,344.20x = 1,194,901,600,471.26
  5. Step 5: Solve for x
    x = 1,194,901,600,471.26/1,377,344.20
  6. Step 6: Final answer
    x = 867,540.30

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1.5x scale

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.