Home / 1,308,235.16-1,962,352.76-409,747.20

Finding the Fourth Proportional to 1,308,235.16, 1,962,352.76 and 409,747.20

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Solution

The fourth proportional to 1,308,235.16, 1,962,352.76 and 409,747.20 is: 614,620.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,235.16 : 1,962,352.76 = 409,747.20 : x
  2. Step 2: Convert to fraction form
    1,308,235.16/1,962,352.76 = 409,747.20/x
  3. Step 3: Cross multiply
    1,308,235.16x = 1,962,352.76 × 409,747.20
  4. Step 4: Simplify right side
    1,308,235.16x = 804,068,548,822.27
  5. Step 5: Solve for x
    x = 804,068,548,822.27/1,308,235.16
  6. Step 6: Final answer
    x = 614,620.81

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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.