Home / 1,350,333.45-1,863,689.31-777,705.17

Finding the Fourth Proportional to 1,350,333.45, 1,863,689.31 and 777,705.17

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Solution

The fourth proportional to 1,350,333.45, 1,863,689.31 and 777,705.17 is: 1,073,365.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,333.45 : 1,863,689.31 = 777,705.17 : x
  2. Step 2: Convert to fraction form
    1,350,333.45/1,863,689.31 = 777,705.17/x
  3. Step 3: Cross multiply
    1,350,333.45x = 1,863,689.31 × 777,705.17
  4. Step 4: Simplify right side
    1,350,333.45x = 1,449,400,802,342.29
  5. Step 5: Solve for x
    x = 1,449,400,802,342.29/1,350,333.45
  6. Step 6: Final answer
    x = 1,073,365.10

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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.