Home / 1,182,863.52-1,630,652.28-842,741.28

Finding the Fourth Proportional to 1,182,863.52, 1,630,652.28 and 842,741.28

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Solution

The fourth proportional to 1,182,863.52, 1,630,652.28 and 842,741.28 is: 1,161,772.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,863.52 : 1,630,652.28 = 842,741.28 : x
  2. Step 2: Convert to fraction form
    1,182,863.52/1,630,652.28 = 842,741.28/x
  3. Step 3: Cross multiply
    1,182,863.52x = 1,630,652.28 × 842,741.28
  4. Step 4: Simplify right side
    1,182,863.52x = 1,374,217,989,682.12
  5. Step 5: Solve for x
    x = 1,374,217,989,682.12/1,182,863.52
  6. Step 6: Final answer
    x = 1,161,772.23

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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.