Home / 913,330.20-1,280,761.80-913,330.20

Finding the Fourth Proportional to 913,330.20, 1,280,761.80 and 913,330.20

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Solution

The fourth proportional to 913,330.20, 1,280,761.80 and 913,330.20 is: 1,280,761.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,330.20 : 1,280,761.80 = 913,330.20 : x
  2. Step 2: Convert to fraction form
    913,330.20/1,280,761.80 = 913,330.20/x
  3. Step 3: Cross multiply
    913,330.20x = 1,280,761.80 × 913,330.20
  4. Step 4: Simplify right side
    913,330.20x = 1,169,758,430,946.36
  5. Step 5: Solve for x
    x = 1,169,758,430,946.36/913,330.20
  6. Step 6: Final answer
    x = 1,280,761.80

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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.