Home / 1,090,000.33-1,635,246.54-331,909.59

Finding the Fourth Proportional to 1,090,000.33, 1,635,246.54 and 331,909.59

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Solution

The fourth proportional to 1,090,000.33, 1,635,246.54 and 331,909.59 is: 497,939.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,000.33 : 1,635,246.54 = 331,909.59 : x
  2. Step 2: Convert to fraction form
    1,090,000.33/1,635,246.54 = 331,909.59/x
  3. Step 3: Cross multiply
    1,090,000.33x = 1,635,246.54 × 331,909.59
  4. Step 4: Simplify right side
    1,090,000.33x = 542,754,008,640.32
  5. Step 5: Solve for x
    x = 542,754,008,640.32/1,090,000.33
  6. Step 6: Final answer
    x = 497,939.31

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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.