Home / 1,350,470.94-1,863,442.88-777,400.38

Finding the Fourth Proportional to 1,350,470.94, 1,863,442.88 and 777,400.38

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Solution

The fourth proportional to 1,350,470.94, 1,863,442.88 and 777,400.38 is: 1,072,693.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,470.94 : 1,863,442.88 = 777,400.38 : x
  2. Step 2: Convert to fraction form
    1,350,470.94/1,863,442.88 = 777,400.38/x
  3. Step 3: Cross multiply
    1,350,470.94x = 1,863,442.88 × 777,400.38
  4. Step 4: Simplify right side
    1,350,470.94x = 1,448,641,203,020.29
  5. Step 5: Solve for x
    x = 1,448,641,203,020.29/1,350,470.94
  6. Step 6: Final answer
    x = 1,072,693.35

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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.