Home / 1,206,872.70-1,805,643.45-786,968.70

Finding the Fourth Proportional to 1,206,872.70, 1,805,643.45 and 786,968.70

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Solution

The fourth proportional to 1,206,872.70, 1,805,643.45 and 786,968.70 is: 1,177,410.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,872.70 : 1,805,643.45 = 786,968.70 : x
  2. Step 2: Convert to fraction form
    1,206,872.70/1,805,643.45 = 786,968.70/x
  3. Step 3: Cross multiply
    1,206,872.70x = 1,805,643.45 × 786,968.70
  4. Step 4: Simplify right side
    1,206,872.70x = 1,420,984,878,510.02
  5. Step 5: Solve for x
    x = 1,420,984,878,510.02/1,206,872.70
  6. Step 6: Final answer
    x = 1,177,410.74

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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.