Home / 807,246.72-1,209,003.84-779,253.12

Finding the Fourth Proportional to 807,246.72, 1,209,003.84 and 779,253.12

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Solution

The fourth proportional to 807,246.72, 1,209,003.84 and 779,253.12 is: 1,167,078.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,246.72 : 1,209,003.84 = 779,253.12 : x
  2. Step 2: Convert to fraction form
    807,246.72/1,209,003.84 = 779,253.12/x
  3. Step 3: Cross multiply
    807,246.72x = 1,209,003.84 × 779,253.12
  4. Step 4: Simplify right side
    807,246.72x = 942,120,014,411.98
  5. Step 5: Solve for x
    x = 942,120,014,411.98/807,246.72
  6. Step 6: Final answer
    x = 1,167,078.16

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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.