Home / 1,170,095.10-1,755,142.65-981,138.30

Finding the Fourth Proportional to 1,170,095.10, 1,755,142.65 and 981,138.30

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Solution

The fourth proportional to 1,170,095.10, 1,755,142.65 and 981,138.30 is: 1,471,707.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,095.10 : 1,755,142.65 = 981,138.30 : x
  2. Step 2: Convert to fraction form
    1,170,095.10/1,755,142.65 = 981,138.30/x
  3. Step 3: Cross multiply
    1,170,095.10x = 1,755,142.65 × 981,138.30
  4. Step 4: Simplify right side
    1,170,095.10x = 1,722,037,675,878.50
  5. Step 5: Solve for x
    x = 1,722,037,675,878.50/1,170,095.10
  6. Step 6: Final answer
    x = 1,471,707.45

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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.