Home / 1,042,905.85-1,439,002.06-634,734.29

Finding the Fourth Proportional to 1,042,905.85, 1,439,002.06 and 634,734.29

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Solution

The fourth proportional to 1,042,905.85, 1,439,002.06 and 634,734.29 is: 875,806.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,905.85 : 1,439,002.06 = 634,734.29 : x
  2. Step 2: Convert to fraction form
    1,042,905.85/1,439,002.06 = 634,734.29/x
  3. Step 3: Cross multiply
    1,042,905.85x = 1,439,002.06 × 634,734.29
  4. Step 4: Simplify right side
    1,042,905.85x = 913,383,952,873.31
  5. Step 5: Solve for x
    x = 913,383,952,873.31/1,042,905.85
  6. Step 6: Final answer
    x = 875,806.72

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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.