Home / 1,261,702.08-1,741,082.36-688,631.04

Finding the Fourth Proportional to 1,261,702.08, 1,741,082.36 and 688,631.04

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Solution

The fourth proportional to 1,261,702.08, 1,741,082.36 and 688,631.04 is: 950,274.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,702.08 : 1,741,082.36 = 688,631.04 : x
  2. Step 2: Convert to fraction form
    1,261,702.08/1,741,082.36 = 688,631.04/x
  3. Step 3: Cross multiply
    1,261,702.08x = 1,741,082.36 × 688,631.04
  4. Step 4: Simplify right side
    1,261,702.08x = 1,198,963,356,292.45
  5. Step 5: Solve for x
    x = 1,198,963,356,292.45/1,261,702.08
  6. Step 6: Final answer
    x = 950,274.53

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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.