Home / 1,118,806.72-1,543,992.96-635,358.40

Finding the Fourth Proportional to 1,118,806.72, 1,543,992.96 and 635,358.40

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Solution

The fourth proportional to 1,118,806.72, 1,543,992.96 and 635,358.40 is: 876,817.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,806.72 : 1,543,992.96 = 635,358.40 : x
  2. Step 2: Convert to fraction form
    1,118,806.72/1,543,992.96 = 635,358.40/x
  3. Step 3: Cross multiply
    1,118,806.72x = 1,543,992.96 × 635,358.40
  4. Step 4: Simplify right side
    1,118,806.72x = 980,988,896,676.86
  5. Step 5: Solve for x
    x = 980,988,896,676.86/1,118,806.72
  6. Step 6: Final answer
    x = 876,817.13

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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.