Home / 679,178.60-1,018,802.79-173,743.95

Finding the Fourth Proportional to 679,178.60, 1,018,802.79 and 173,743.95

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Solution

The fourth proportional to 679,178.60, 1,018,802.79 and 173,743.95 is: 260,624.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,178.60 : 1,018,802.79 = 173,743.95 : x
  2. Step 2: Convert to fraction form
    679,178.60/1,018,802.79 = 173,743.95/x
  3. Step 3: Cross multiply
    679,178.60x = 1,018,802.79 × 173,743.95
  4. Step 4: Simplify right side
    679,178.60x = 177,010,821,005.62
  5. Step 5: Solve for x
    x = 177,010,821,005.62/679,178.60
  6. Step 6: Final answer
    x = 260,624.85

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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.