Home / 1,330,705.17-1,996,848.32-489,847.41

Finding the Fourth Proportional to 1,330,705.17, 1,996,848.32 and 489,847.41

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Solution

The fourth proportional to 1,330,705.17, 1,996,848.32 and 489,847.41 is: 735,062.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,705.17 : 1,996,848.32 = 489,847.41 : x
  2. Step 2: Convert to fraction form
    1,330,705.17/1,996,848.32 = 489,847.41/x
  3. Step 3: Cross multiply
    1,330,705.17x = 1,996,848.32 × 489,847.41
  4. Step 4: Simplify right side
    1,330,705.17x = 978,150,975,265.61
  5. Step 5: Solve for x
    x = 978,150,975,265.61/1,330,705.17
  6. Step 6: Final answer
    x = 735,062.13

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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.