Home / 1,438,337.40-2,159,061.30-808,481.40

Finding the Fourth Proportional to 1,438,337.40, 2,159,061.30 and 808,481.40

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Solution

The fourth proportional to 1,438,337.40, 2,159,061.30 and 808,481.40 is: 1,213,596.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,337.40 : 2,159,061.30 = 808,481.40 : x
  2. Step 2: Convert to fraction form
    1,438,337.40/2,159,061.30 = 808,481.40/x
  3. Step 3: Cross multiply
    1,438,337.40x = 2,159,061.30 × 808,481.40
  4. Step 4: Simplify right side
    1,438,337.40x = 1,745,560,902,509.82
  5. Step 5: Solve for x
    x = 1,745,560,902,509.82/1,438,337.40
  6. Step 6: Final answer
    x = 1,213,596.27

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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.