Home / 1,085,648.10-1,628,472.15-805,712.10

Finding the Fourth Proportional to 1,085,648.10, 1,628,472.15 and 805,712.10

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Solution

The fourth proportional to 1,085,648.10, 1,628,472.15 and 805,712.10 is: 1,208,568.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,648.10 : 1,628,472.15 = 805,712.10 : x
  2. Step 2: Convert to fraction form
    1,085,648.10/1,628,472.15 = 805,712.10/x
  3. Step 3: Cross multiply
    1,085,648.10x = 1,628,472.15 × 805,712.10
  4. Step 4: Simplify right side
    1,085,648.10x = 1,312,079,715,768.01
  5. Step 5: Solve for x
    x = 1,312,079,715,768.01/1,085,648.10
  6. Step 6: Final answer
    x = 1,208,568.15

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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.