Home / 1,979,487.60-2,731,724.64-1,074,069.60

Finding the Fourth Proportional to 1,979,487.60, 2,731,724.64 and 1,074,069.60

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Solution

The fourth proportional to 1,979,487.60, 2,731,724.64 and 1,074,069.60 is: 1,482,233.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,487.60 : 2,731,724.64 = 1,074,069.60 : x
  2. Step 2: Convert to fraction form
    1,979,487.60/2,731,724.64 = 1,074,069.60/x
  3. Step 3: Cross multiply
    1,979,487.60x = 2,731,724.64 × 1,074,069.60
  4. Step 4: Simplify right side
    1,979,487.60x = 2,934,062,391,394.94
  5. Step 5: Solve for x
    x = 2,934,062,391,394.94/1,979,487.60
  6. Step 6: Final answer
    x = 1,482,233.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.