Home / 1,042,594.20-1,438,352.37-634,368.78

Finding the Fourth Proportional to 1,042,594.20, 1,438,352.37 and 634,368.78

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Solution

The fourth proportional to 1,042,594.20, 1,438,352.37 and 634,368.78 is: 875,168.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,594.20 : 1,438,352.37 = 634,368.78 : x
  2. Step 2: Convert to fraction form
    1,042,594.20/1,438,352.37 = 634,368.78/x
  3. Step 3: Cross multiply
    1,042,594.20x = 1,438,352.37 × 634,368.78
  4. Step 4: Simplify right side
    1,042,594.20x = 912,445,838,167.01
  5. Step 5: Solve for x
    x = 912,445,838,167.01/1,042,594.20
  6. Step 6: Final answer
    x = 875,168.73

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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.