Home / 1,522,643-2,101,316.20-843,579.50

Finding the Fourth Proportional to 1,522,643, 2,101,316.20 and 843,579.50

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Solution

The fourth proportional to 1,522,643, 2,101,316.20 and 843,579.50 is: 1,164,177.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,643 : 2,101,316.20 = 843,579.50 : x
  2. Step 2: Convert to fraction form
    1,522,643/2,101,316.20 = 843,579.50/x
  3. Step 3: Cross multiply
    1,522,643x = 2,101,316.20 × 843,579.50
  4. Step 4: Simplify right side
    1,522,643x = 1,772,627,269,337.90
  5. Step 5: Solve for x
    x = 1,772,627,269,337.90/1,522,643
  6. Step 6: Final answer
    x = 1,164,177.86

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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.