Home / 1,267,477.20-1,901,215.80-636,163.20

Finding the Fourth Proportional to 1,267,477.20, 1,901,215.80 and 636,163.20

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Solution

The fourth proportional to 1,267,477.20, 1,901,215.80 and 636,163.20 is: 954,244.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,477.20 : 1,901,215.80 = 636,163.20 : x
  2. Step 2: Convert to fraction form
    1,267,477.20/1,901,215.80 = 636,163.20/x
  3. Step 3: Cross multiply
    1,267,477.20x = 1,901,215.80 × 636,163.20
  4. Step 4: Simplify right side
    1,267,477.20x = 1,209,483,527,218.56
  5. Step 5: Solve for x
    x = 1,209,483,527,218.56/1,267,477.20
  6. Step 6: Final answer
    x = 954,244.80

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Double scale
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Similar ratio
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1.5x scale

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.