Home / 1,535,418-2,118,876.84-856,355.04

Finding the Fourth Proportional to 1,535,418, 2,118,876.84 and 856,355.04

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Solution

The fourth proportional to 1,535,418, 2,118,876.84 and 856,355.04 is: 1,181,769.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,418 : 2,118,876.84 = 856,355.04 : x
  2. Step 2: Convert to fraction form
    1,535,418/2,118,876.84 = 856,355.04/x
  3. Step 3: Cross multiply
    1,535,418x = 2,118,876.84 × 856,355.04
  4. Step 4: Simplify right side
    1,535,418x = 1,814,510,861,073.27
  5. Step 5: Solve for x
    x = 1,814,510,861,073.27/1,535,418
  6. Step 6: Final answer
    x = 1,181,769.96

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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.