Home / 1,345,871.96-1,856,834.30-862,703.52

Finding the Fourth Proportional to 1,345,871.96, 1,856,834.30 and 862,703.52

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Solution

The fourth proportional to 1,345,871.96, 1,856,834.30 and 862,703.52 is: 1,190,230.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,871.96 : 1,856,834.30 = 862,703.52 : x
  2. Step 2: Convert to fraction form
    1,345,871.96/1,856,834.30 = 862,703.52/x
  3. Step 3: Cross multiply
    1,345,871.96x = 1,856,834.30 × 862,703.52
  4. Step 4: Simplify right side
    1,345,871.96x = 1,601,897,486,666.74
  5. Step 5: Solve for x
    x = 1,601,897,486,666.74/1,345,871.96
  6. Step 6: Final answer
    x = 1,190,230.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.