Home / 1,100,035.84-1,649,816.16-390,087.04

Finding the Fourth Proportional to 1,100,035.84, 1,649,816.16 and 390,087.04

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Solution

The fourth proportional to 1,100,035.84, 1,649,816.16 and 390,087.04 is: 585,046.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,035.84 : 1,649,816.16 = 390,087.04 : x
  2. Step 2: Convert to fraction form
    1,100,035.84/1,649,816.16 = 390,087.04/x
  3. Step 3: Cross multiply
    1,100,035.84x = 1,649,816.16 × 390,087.04
  4. Step 4: Simplify right side
    1,100,035.84x = 643,571,902,398.57
  5. Step 5: Solve for x
    x = 643,571,902,398.57/1,100,035.84
  6. Step 6: Final answer
    x = 585,046.30

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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.