Home / 1,345,870.96-1,856,832.92-862,702.52

Finding the Fourth Proportional to 1,345,870.96, 1,856,832.92 and 862,702.52

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Solution

The fourth proportional to 1,345,870.96, 1,856,832.92 and 862,702.52 is: 1,190,228.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,870.96 : 1,856,832.92 = 862,702.52 : x
  2. Step 2: Convert to fraction form
    1,345,870.96/1,856,832.92 = 862,702.52/x
  3. Step 3: Cross multiply
    1,345,870.96x = 1,856,832.92 × 862,702.52
  4. Step 4: Simplify right side
    1,345,870.96x = 1,601,894,446,101.80
  5. Step 5: Solve for x
    x = 1,601,894,446,101.80/1,345,870.96
  6. Step 6: Final answer
    x = 1,190,228.85

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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.