Home / 988,856.10-1,483,284.15-917,997.30

Finding the Fourth Proportional to 988,856.10, 1,483,284.15 and 917,997.30

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Solution

The fourth proportional to 988,856.10, 1,483,284.15 and 917,997.30 is: 1,376,995.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,856.10 : 1,483,284.15 = 917,997.30 : x
  2. Step 2: Convert to fraction form
    988,856.10/1,483,284.15 = 917,997.30/x
  3. Step 3: Cross multiply
    988,856.10x = 1,483,284.15 × 917,997.30
  4. Step 4: Simplify right side
    988,856.10x = 1,361,650,844,832.80
  5. Step 5: Solve for x
    x = 1,361,650,844,832.80/988,856.10
  6. Step 6: Final answer
    x = 1,376,995.95

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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.