Home / 1,439,293.23-2,158,949.87-988,648.22

Finding the Fourth Proportional to 1,439,293.23, 2,158,949.87 and 988,648.22

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Solution

The fourth proportional to 1,439,293.23, 2,158,949.87 and 988,648.22 is: 1,482,979.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,293.23 : 2,158,949.87 = 988,648.22 : x
  2. Step 2: Convert to fraction form
    1,439,293.23/2,158,949.87 = 988,648.22/x
  3. Step 3: Cross multiply
    1,439,293.23x = 2,158,949.87 × 988,648.22
  4. Step 4: Simplify right side
    1,439,293.23x = 2,134,441,930,306.74
  5. Step 5: Solve for x
    x = 2,134,441,930,306.74/1,439,293.23
  6. Step 6: Final answer
    x = 1,482,979.21

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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.