Home / 1,129,331.05-1,693,996.52-330,612.59

Finding the Fourth Proportional to 1,129,331.05, 1,693,996.52 and 330,612.59

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Solution

The fourth proportional to 1,129,331.05, 1,693,996.52 and 330,612.59 is: 495,918.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,331.05 : 1,693,996.52 = 330,612.59 : x
  2. Step 2: Convert to fraction form
    1,129,331.05/1,693,996.52 = 330,612.59/x
  3. Step 3: Cross multiply
    1,129,331.05x = 1,693,996.52 × 330,612.59
  4. Step 4: Simplify right side
    1,129,331.05x = 560,056,579,510.12
  5. Step 5: Solve for x
    x = 560,056,579,510.12/1,129,331.05
  6. Step 6: Final answer
    x = 495,918.87

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1.5x scale

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.