Home / 806,089.20-1,207,384.20-666,121.20

Finding the Fourth Proportional to 806,089.20, 1,207,384.20 and 666,121.20

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Solution

The fourth proportional to 806,089.20, 1,207,384.20 and 666,121.20 is: 997,736.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,089.20 : 1,207,384.20 = 666,121.20 : x
  2. Step 2: Convert to fraction form
    806,089.20/1,207,384.20 = 666,121.20/x
  3. Step 3: Cross multiply
    806,089.20x = 1,207,384.20 × 666,121.20
  4. Step 4: Simplify right side
    806,089.20x = 804,264,212,165.04
  5. Step 5: Solve for x
    x = 804,264,212,165.04/806,089.20
  6. Step 6: Final answer
    x = 997,736.00

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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.