Home / 679,178.45-1,018,802.56-173,743.80

Finding the Fourth Proportional to 679,178.45, 1,018,802.56 and 173,743.80

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Solution

The fourth proportional to 679,178.45, 1,018,802.56 and 173,743.80 is: 260,624.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,178.45 : 1,018,802.56 = 173,743.80 : x
  2. Step 2: Convert to fraction form
    679,178.45/1,018,802.56 = 173,743.80/x
  3. Step 3: Cross multiply
    679,178.45x = 1,018,802.56 × 173,743.80
  4. Step 4: Simplify right side
    679,178.45x = 177,010,628,737.50
  5. Step 5: Solve for x
    x = 177,010,628,737.50/679,178.45
  6. Step 6: Final answer
    x = 260,624.63

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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.