Home / 1,299,072-1,792,757.10-710,406.03

Finding the Fourth Proportional to 1,299,072, 1,792,757.10 and 710,406.03

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Solution

The fourth proportional to 1,299,072, 1,792,757.10 and 710,406.03 is: 980,380.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,072 : 1,792,757.10 = 710,406.03 : x
  2. Step 2: Convert to fraction form
    1,299,072/1,792,757.10 = 710,406.03/x
  3. Step 3: Cross multiply
    1,299,072x = 1,792,757.10 × 710,406.03
  4. Step 4: Simplify right side
    1,299,072x = 1,273,585,454,165.31
  5. Step 5: Solve for x
    x = 1,273,585,454,165.31/1,299,072
  6. Step 6: Final answer
    x = 980,380.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.