Home / 1,613,902.80-2,421,199.80-492,085.20

Finding the Fourth Proportional to 1,613,902.80, 2,421,199.80 and 492,085.20

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Solution

The fourth proportional to 1,613,902.80, 2,421,199.80 and 492,085.20 is: 738,233.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,902.80 : 2,421,199.80 = 492,085.20 : x
  2. Step 2: Convert to fraction form
    1,613,902.80/2,421,199.80 = 492,085.20/x
  3. Step 3: Cross multiply
    1,613,902.80x = 2,421,199.80 × 492,085.20
  4. Step 4: Simplify right side
    1,613,902.80x = 1,191,436,587,822.96
  5. Step 5: Solve for x
    x = 1,191,436,587,822.96/1,613,902.80
  6. Step 6: Final answer
    x = 738,233.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.