Home / 988,295.67-1,363,863.15-580,406.13

Finding the Fourth Proportional to 988,295.67, 1,363,863.15 and 580,406.13

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Solution

The fourth proportional to 988,295.67, 1,363,863.15 and 580,406.13 is: 800,969.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,295.67 : 1,363,863.15 = 580,406.13 : x
  2. Step 2: Convert to fraction form
    988,295.67/1,363,863.15 = 580,406.13/x
  3. Step 3: Cross multiply
    988,295.67x = 1,363,863.15 × 580,406.13
  4. Step 4: Simplify right side
    988,295.67x = 791,594,532,741.11
  5. Step 5: Solve for x
    x = 791,594,532,741.11/988,295.67
  6. Step 6: Final answer
    x = 800,969.34

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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.