Home / 679,178.10-1,018,802.04-173,743.46

Finding the Fourth Proportional to 679,178.10, 1,018,802.04 and 173,743.46

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Solution

The fourth proportional to 679,178.10, 1,018,802.04 and 173,743.46 is: 260,624.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,178.10 : 1,018,802.04 = 173,743.46 : x
  2. Step 2: Convert to fraction form
    679,178.10/1,018,802.04 = 173,743.46/x
  3. Step 3: Cross multiply
    679,178.10x = 1,018,802.04 × 173,743.46
  4. Step 4: Simplify right side
    679,178.10x = 177,010,191,484.66
  5. Step 5: Solve for x
    x = 177,010,191,484.66/679,178.10
  6. Step 6: Final answer
    x = 260,624.12

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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.