Home / 1,337,428-2,006,466.12-769,172.80

Finding the Fourth Proportional to 1,337,428, 2,006,466.12 and 769,172.80

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Solution

The fourth proportional to 1,337,428, 2,006,466.12 and 769,172.80 is: 1,153,945.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,428 : 2,006,466.12 = 769,172.80 : x
  2. Step 2: Convert to fraction form
    1,337,428/2,006,466.12 = 769,172.80/x
  3. Step 3: Cross multiply
    1,337,428x = 2,006,466.12 × 769,172.80
  4. Step 4: Simplify right side
    1,337,428x = 1,543,319,163,625.54
  5. Step 5: Solve for x
    x = 1,543,319,163,625.54/1,337,428
  6. Step 6: Final answer
    x = 1,153,945.61

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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.