Home / 1,088,988.66-1,633,560.75-290,266.02

Finding the Fourth Proportional to 1,088,988.66, 1,633,560.75 and 290,266.02

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Solution

The fourth proportional to 1,088,988.66, 1,633,560.75 and 290,266.02 is: 435,419.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,988.66 : 1,633,560.75 = 290,266.02 : x
  2. Step 2: Convert to fraction form
    1,088,988.66/1,633,560.75 = 290,266.02/x
  3. Step 3: Cross multiply
    1,088,988.66x = 1,633,560.75 × 290,266.02
  4. Step 4: Simplify right side
    1,088,988.66x = 474,167,177,330.72
  5. Step 5: Solve for x
    x = 474,167,177,330.72/1,088,988.66
  6. Step 6: Final answer
    x = 435,419.76

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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.