Home / 1,177,119.52-1,624,312.72-660,755.20

Finding the Fourth Proportional to 1,177,119.52, 1,624,312.72 and 660,755.20

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Solution

The fourth proportional to 1,177,119.52, 1,624,312.72 and 660,755.20 is: 911,779.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,119.52 : 1,624,312.72 = 660,755.20 : x
  2. Step 2: Convert to fraction form
    1,177,119.52/1,624,312.72 = 660,755.20/x
  3. Step 3: Cross multiply
    1,177,119.52x = 1,624,312.72 × 660,755.20
  4. Step 4: Simplify right side
    1,177,119.52x = 1,073,273,076,166.14
  5. Step 5: Solve for x
    x = 1,073,273,076,166.14/1,177,119.52
  6. Step 6: Final answer
    x = 911,779.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.