Home / 1,023,671.85-1,413,120.12-661,272.39

Finding the Fourth Proportional to 1,023,671.85, 1,413,120.12 and 661,272.39

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Solution

The fourth proportional to 1,023,671.85, 1,413,120.12 and 661,272.39 is: 912,848.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,671.85 : 1,413,120.12 = 661,272.39 : x
  2. Step 2: Convert to fraction form
    1,023,671.85/1,413,120.12 = 661,272.39/x
  3. Step 3: Cross multiply
    1,023,671.85x = 1,413,120.12 × 661,272.39
  4. Step 4: Simplify right side
    1,023,671.85x = 934,457,319,109.49
  5. Step 5: Solve for x
    x = 934,457,319,109.49/1,023,671.85
  6. Step 6: Final answer
    x = 912,848.51

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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.