Home / 988,363.80-1,480,851.59-663,543.54

Finding the Fourth Proportional to 988,363.80, 1,480,851.59 and 663,543.54

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Solution

The fourth proportional to 988,363.80, 1,480,851.59 and 663,543.54 is: 994,177.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,363.80 : 1,480,851.59 = 663,543.54 : x
  2. Step 2: Convert to fraction form
    988,363.80/1,480,851.59 = 663,543.54/x
  3. Step 3: Cross multiply
    988,363.80x = 1,480,851.59 × 663,543.54
  4. Step 4: Simplify right side
    988,363.80x = 982,609,502,925.51
  5. Step 5: Solve for x
    x = 982,609,502,925.51/988,363.80
  6. Step 6: Final answer
    x = 994,177.96

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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.