Home / 1,271,178.96-1,755,365.52-948,328.32

Finding the Fourth Proportional to 1,271,178.96, 1,755,365.52 and 948,328.32

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Solution

The fourth proportional to 1,271,178.96, 1,755,365.52 and 948,328.32 is: 1,309,542.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,178.96 : 1,755,365.52 = 948,328.32 : x
  2. Step 2: Convert to fraction form
    1,271,178.96/1,755,365.52 = 948,328.32/x
  3. Step 3: Cross multiply
    1,271,178.96x = 1,755,365.52 × 948,328.32
  4. Step 4: Simplify right side
    1,271,178.96x = 1,664,662,834,567.53
  5. Step 5: Solve for x
    x = 1,664,662,834,567.53/1,271,178.96
  6. Step 6: Final answer
    x = 1,309,542.47

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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.