Home / 1,025,947.16-1,415,072.66-720,091.76

Finding the Fourth Proportional to 1,025,947.16, 1,415,072.66 and 720,091.76

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Solution

The fourth proportional to 1,025,947.16, 1,415,072.66 and 720,091.76 is: 993,211.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,947.16 : 1,415,072.66 = 720,091.76 : x
  2. Step 2: Convert to fraction form
    1,025,947.16/1,415,072.66 = 720,091.76/x
  3. Step 3: Cross multiply
    1,025,947.16x = 1,415,072.66 × 720,091.76
  4. Step 4: Simplify right side
    1,025,947.16x = 1,018,982,162,267.28
  5. Step 5: Solve for x
    x = 1,018,982,162,267.28/1,025,947.16
  6. Step 6: Final answer
    x = 993,211.15

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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.