Home / 1,178,480.40-1,765,906.20-877,549.20

Finding the Fourth Proportional to 1,178,480.40, 1,765,906.20 and 877,549.20

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Solution

The fourth proportional to 1,178,480.40, 1,765,906.20 and 877,549.20 is: 1,314,972.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,480.40 : 1,765,906.20 = 877,549.20 : x
  2. Step 2: Convert to fraction form
    1,178,480.40/1,765,906.20 = 877,549.20/x
  3. Step 3: Cross multiply
    1,178,480.40x = 1,765,906.20 × 877,549.20
  4. Step 4: Simplify right side
    1,178,480.40x = 1,549,669,573,085.04
  5. Step 5: Solve for x
    x = 1,549,669,573,085.04/1,178,480.40
  6. Step 6: Final answer
    x = 1,314,972.72

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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.