Home / 1,494,838.90-2,062,877.10-815,775.40

Finding the Fourth Proportional to 1,494,838.90, 2,062,877.10 and 815,775.40

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Solution

The fourth proportional to 1,494,838.90, 2,062,877.10 and 815,775.40 is: 1,125,769.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,838.90 : 2,062,877.10 = 815,775.40 : x
  2. Step 2: Convert to fraction form
    1,494,838.90/2,062,877.10 = 815,775.40/x
  3. Step 3: Cross multiply
    1,494,838.90x = 2,062,877.10 × 815,775.40
  4. Step 4: Simplify right side
    1,494,838.90x = 1,682,844,391,403.34
  5. Step 5: Solve for x
    x = 1,682,844,391,403.34/1,494,838.90
  6. Step 6: Final answer
    x = 1,125,769.73

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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.