Home / 913,006.40-1,366,399.20-913,006.40

Finding the Fourth Proportional to 913,006.40, 1,366,399.20 and 913,006.40

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Solution

The fourth proportional to 913,006.40, 1,366,399.20 and 913,006.40 is: 1,366,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,006.40 : 1,366,399.20 = 913,006.40 : x
  2. Step 2: Convert to fraction form
    913,006.40/1,366,399.20 = 913,006.40/x
  3. Step 3: Cross multiply
    913,006.40x = 1,366,399.20 × 913,006.40
  4. Step 4: Simplify right side
    913,006.40x = 1,247,531,214,554.88
  5. Step 5: Solve for x
    x = 1,247,531,214,554.88/913,006.40
  6. Step 6: Final answer
    x = 1,366,399.20

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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.