Home / 1,278,060.10-1,917,090.15-1,088,082.70

Finding the Fourth Proportional to 1,278,060.10, 1,917,090.15 and 1,088,082.70

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Solution

The fourth proportional to 1,278,060.10, 1,917,090.15 and 1,088,082.70 is: 1,632,124.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,060.10 : 1,917,090.15 = 1,088,082.70 : x
  2. Step 2: Convert to fraction form
    1,278,060.10/1,917,090.15 = 1,088,082.70/x
  3. Step 3: Cross multiply
    1,278,060.10x = 1,917,090.15 × 1,088,082.70
  4. Step 4: Simplify right side
    1,278,060.10x = 2,085,952,626,555.40
  5. Step 5: Solve for x
    x = 2,085,952,626,555.40/1,278,060.10
  6. Step 6: Final answer
    x = 1,632,124.05

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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.