Home / 988,432.48-1,363,017.92-845,665.12

Finding the Fourth Proportional to 988,432.48, 1,363,017.92 and 845,665.12

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Solution

The fourth proportional to 988,432.48, 1,363,017.92 and 845,665.12 is: 1,166,146.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,432.48 : 1,363,017.92 = 845,665.12 : x
  2. Step 2: Convert to fraction form
    988,432.48/1,363,017.92 = 845,665.12/x
  3. Step 3: Cross multiply
    988,432.48x = 1,363,017.92 × 845,665.12
  4. Step 4: Simplify right side
    988,432.48x = 1,152,656,712,878.95
  5. Step 5: Solve for x
    x = 1,152,656,712,878.95/988,432.48
  6. Step 6: Final answer
    x = 1,166,146.13

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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.