Home / 1,523,327.80-2,102,111.40-878,709.52

Finding the Fourth Proportional to 1,523,327.80, 2,102,111.40 and 878,709.52

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Solution

The fourth proportional to 1,523,327.80, 2,102,111.40 and 878,709.52 is: 1,212,572.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523,327.80 : 2,102,111.40 = 878,709.52 : x
  2. Step 2: Convert to fraction form
    1,523,327.80/2,102,111.40 = 878,709.52/x
  3. Step 3: Cross multiply
    1,523,327.80x = 2,102,111.40 × 878,709.52
  4. Step 4: Simplify right side
    1,523,327.80x = 1,847,145,299,280.53
  5. Step 5: Solve for x
    x = 1,847,145,299,280.53/1,523,327.80
  6. Step 6: Final answer
    x = 1,212,572.43

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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.