Home / 912,005.30-1,368,007.95-885,761.30

Finding the Fourth Proportional to 912,005.30, 1,368,007.95 and 885,761.30

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Solution

The fourth proportional to 912,005.30, 1,368,007.95 and 885,761.30 is: 1,328,641.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,005.30 : 1,368,007.95 = 885,761.30 : x
  2. Step 2: Convert to fraction form
    912,005.30/1,368,007.95 = 885,761.30/x
  3. Step 3: Cross multiply
    912,005.30x = 1,368,007.95 × 885,761.30
  4. Step 4: Simplify right side
    912,005.30x = 1,211,728,500,202.34
  5. Step 5: Solve for x
    x = 1,211,728,500,202.34/912,005.30
  6. Step 6: Final answer
    x = 1,328,641.95

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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.