Home / 1,005,006.18-1,386,286.38-660,881.64

Finding the Fourth Proportional to 1,005,006.18, 1,386,286.38 and 660,881.64

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Solution

The fourth proportional to 1,005,006.18, 1,386,286.38 and 660,881.64 is: 911,607.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,006.18 : 1,386,286.38 = 660,881.64 : x
  2. Step 2: Convert to fraction form
    1,005,006.18/1,386,286.38 = 660,881.64/x
  3. Step 3: Cross multiply
    1,005,006.18x = 1,386,286.38 × 660,881.64
  4. Step 4: Simplify right side
    1,005,006.18x = 916,171,216,324.06
  5. Step 5: Solve for x
    x = 916,171,216,324.06/1,005,006.18
  6. Step 6: Final answer
    x = 911,607.54

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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.