Home / 1,480,671.90-2,217,897.45-815,046.30

Finding the Fourth Proportional to 1,480,671.90, 2,217,897.45 and 815,046.30

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Solution

The fourth proportional to 1,480,671.90, 2,217,897.45 and 815,046.30 is: 1,220,857.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,671.90 : 2,217,897.45 = 815,046.30 : x
  2. Step 2: Convert to fraction form
    1,480,671.90/2,217,897.45 = 815,046.30/x
  3. Step 3: Cross multiply
    1,480,671.90x = 2,217,897.45 × 815,046.30
  4. Step 4: Simplify right side
    1,480,671.90x = 1,807,689,110,401.94
  5. Step 5: Solve for x
    x = 1,807,689,110,401.94/1,480,671.90
  6. Step 6: Final answer
    x = 1,220,857.31

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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.