Home / 1,494,935.87-2,062,982.72-815,877.23

Finding the Fourth Proportional to 1,494,935.87, 2,062,982.72 and 815,877.23

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Solution

The fourth proportional to 1,494,935.87, 2,062,982.72 and 815,877.23 is: 1,125,894.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,935.87 : 2,062,982.72 = 815,877.23 : x
  2. Step 2: Convert to fraction form
    1,494,935.87/2,062,982.72 = 815,877.23/x
  3. Step 3: Cross multiply
    1,494,935.87x = 2,062,982.72 × 815,877.23
  4. Step 4: Simplify right side
    1,494,935.87x = 1,683,140,618,856.25
  5. Step 5: Solve for x
    x = 1,683,140,618,856.25/1,494,935.87
  6. Step 6: Final answer
    x = 1,125,894.87

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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.