Home / 913,329.70-1,280,761.10-913,329.70

Finding the Fourth Proportional to 913,329.70, 1,280,761.10 and 913,329.70

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Solution

The fourth proportional to 913,329.70, 1,280,761.10 and 913,329.70 is: 1,280,761.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,329.70 : 1,280,761.10 = 913,329.70 : x
  2. Step 2: Convert to fraction form
    913,329.70/1,280,761.10 = 913,329.70/x
  3. Step 3: Cross multiply
    913,329.70x = 1,280,761.10 × 913,329.70
  4. Step 4: Simplify right side
    913,329.70x = 1,169,757,151,234.67
  5. Step 5: Solve for x
    x = 1,169,757,151,234.67/913,329.70
  6. Step 6: Final answer
    x = 1,280,761.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.