Home / 1,009,380.68-1,393,411.80-622,265.28

Finding the Fourth Proportional to 1,009,380.68, 1,393,411.80 and 622,265.28

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Solution

The fourth proportional to 1,009,380.68, 1,393,411.80 and 622,265.28 is: 859,013.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,380.68 : 1,393,411.80 = 622,265.28 : x
  2. Step 2: Convert to fraction form
    1,009,380.68/1,393,411.80 = 622,265.28/x
  3. Step 3: Cross multiply
    1,009,380.68x = 1,393,411.80 × 622,265.28
  4. Step 4: Simplify right side
    1,009,380.68x = 867,071,783,882.30
  5. Step 5: Solve for x
    x = 867,071,783,882.30/1,009,380.68
  6. Step 6: Final answer
    x = 859,013.65

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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.