Home / 1,232,979.38-1,849,292.74-423,348.65

Finding the Fourth Proportional to 1,232,979.38, 1,849,292.74 and 423,348.65

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Solution

The fourth proportional to 1,232,979.38, 1,849,292.74 and 423,348.65 is: 634,962.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,979.38 : 1,849,292.74 = 423,348.65 : x
  2. Step 2: Convert to fraction form
    1,232,979.38/1,849,292.74 = 423,348.65/x
  3. Step 3: Cross multiply
    1,232,979.38x = 1,849,292.74 × 423,348.65
  4. Step 4: Simplify right side
    1,232,979.38x = 782,895,584,933.80
  5. Step 5: Solve for x
    x = 782,895,584,933.80/1,232,979.38
  6. Step 6: Final answer
    x = 634,962.43

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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.