Home / 1,523,341.80-2,102,130.72-878,723.52

Finding the Fourth Proportional to 1,523,341.80, 2,102,130.72 and 878,723.52

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Solution

The fourth proportional to 1,523,341.80, 2,102,130.72 and 878,723.52 is: 1,212,591.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523,341.80 : 2,102,130.72 = 878,723.52 : x
  2. Step 2: Convert to fraction form
    1,523,341.80/2,102,130.72 = 878,723.52/x
  3. Step 3: Cross multiply
    1,523,341.80x = 2,102,130.72 × 878,723.52
  4. Step 4: Simplify right side
    1,523,341.80x = 1,847,191,705,778.53
  5. Step 5: Solve for x
    x = 1,847,191,705,778.53/1,523,341.80
  6. Step 6: Final answer
    x = 1,212,591.75

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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.