Home / 1,427,608.50-2,141,312.55-669,616.20

Finding the Fourth Proportional to 1,427,608.50, 2,141,312.55 and 669,616.20

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Solution

The fourth proportional to 1,427,608.50, 2,141,312.55 and 669,616.20 is: 1,004,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,608.50 : 2,141,312.55 = 669,616.20 : x
  2. Step 2: Convert to fraction form
    1,427,608.50/2,141,312.55 = 669,616.20/x
  3. Step 3: Cross multiply
    1,427,608.50x = 2,141,312.55 × 669,616.20
  4. Step 4: Simplify right side
    1,427,608.50x = 1,433,857,572,743.31
  5. Step 5: Solve for x
    x = 1,433,857,572,743.31/1,427,608.50
  6. Step 6: Final answer
    x = 1,004,377.30

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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.