Home / 1,520,331.80-2,098,280.46-875,626.52

Finding the Fourth Proportional to 1,520,331.80, 2,098,280.46 and 875,626.52

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Solution

The fourth proportional to 1,520,331.80, 2,098,280.46 and 875,626.52 is: 1,208,492.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,331.80 : 2,098,280.46 = 875,626.52 : x
  2. Step 2: Convert to fraction form
    1,520,331.80/2,098,280.46 = 875,626.52/x
  3. Step 3: Cross multiply
    1,520,331.80x = 2,098,280.46 × 875,626.52
  4. Step 4: Simplify right side
    1,520,331.80x = 1,837,310,017,173.80
  5. Step 5: Solve for x
    x = 1,837,310,017,173.80/1,520,331.80
  6. Step 6: Final answer
    x = 1,208,492.79

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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.