Home / 1,085,648.10-1,628,472.15-802,212.90

Finding the Fourth Proportional to 1,085,648.10, 1,628,472.15 and 802,212.90

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Solution

The fourth proportional to 1,085,648.10, 1,628,472.15 and 802,212.90 is: 1,203,319.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,648.10 : 1,628,472.15 = 802,212.90 : x
  2. Step 2: Convert to fraction form
    1,085,648.10/1,628,472.15 = 802,212.90/x
  3. Step 3: Cross multiply
    1,085,648.10x = 1,628,472.15 × 802,212.90
  4. Step 4: Simplify right side
    1,085,648.10x = 1,306,381,366,020.73
  5. Step 5: Solve for x
    x = 1,306,381,366,020.73/1,085,648.10
  6. Step 6: Final answer
    x = 1,203,319.35

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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.