Home / 1,643,127.50-2,465,002.30-756,663.50

Finding the Fourth Proportional to 1,643,127.50, 2,465,002.30 and 756,663.50

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Solution

The fourth proportional to 1,643,127.50, 2,465,002.30 and 756,663.50 is: 1,135,138.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,127.50 : 2,465,002.30 = 756,663.50 : x
  2. Step 2: Convert to fraction form
    1,643,127.50/2,465,002.30 = 756,663.50/x
  3. Step 3: Cross multiply
    1,643,127.50x = 2,465,002.30 × 756,663.50
  4. Step 4: Simplify right side
    1,643,127.50x = 1,865,177,267,826.05
  5. Step 5: Solve for x
    x = 1,865,177,267,826.05/1,643,127.50
  6. Step 6: Final answer
    x = 1,135,138.49

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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.