Home / 1,330,765.92-1,996,939.44-489,908.16

Finding the Fourth Proportional to 1,330,765.92, 1,996,939.44 and 489,908.16

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Solution

The fourth proportional to 1,330,765.92, 1,996,939.44 and 489,908.16 is: 735,153.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,765.92 : 1,996,939.44 = 489,908.16 : x
  2. Step 2: Convert to fraction form
    1,330,765.92/1,996,939.44 = 489,908.16/x
  3. Step 3: Cross multiply
    1,330,765.92x = 1,996,939.44 × 489,908.16
  4. Step 4: Simplify right side
    1,330,765.92x = 978,316,926,681.83
  5. Step 5: Solve for x
    x = 978,316,926,681.83/1,330,765.92
  6. Step 6: Final answer
    x = 735,153.28

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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.