Home / 1,345,871.40-1,856,833.53-862,702.96

Finding the Fourth Proportional to 1,345,871.40, 1,856,833.53 and 862,702.96

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Solution

The fourth proportional to 1,345,871.40, 1,856,833.53 and 862,702.96 is: 1,190,229.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,871.40 : 1,856,833.53 = 862,702.96 : x
  2. Step 2: Convert to fraction form
    1,345,871.40/1,856,833.53 = 862,702.96/x
  3. Step 3: Cross multiply
    1,345,871.40x = 1,856,833.53 × 862,702.96
  4. Step 4: Simplify right side
    1,345,871.40x = 1,601,895,782,558.25
  5. Step 5: Solve for x
    x = 1,601,895,782,558.25/1,345,871.40
  6. Step 6: Final answer
    x = 1,190,229.45

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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.