Home / 1,102,665.03-1,654,099.61-428,797.02

Finding the Fourth Proportional to 1,102,665.03, 1,654,099.61 and 428,797.02

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Solution

The fourth proportional to 1,102,665.03, 1,654,099.61 and 428,797.02 is: 643,235.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,665.03 : 1,654,099.61 = 428,797.02 : x
  2. Step 2: Convert to fraction form
    1,102,665.03/1,654,099.61 = 428,797.02/x
  3. Step 3: Cross multiply
    1,102,665.03x = 1,654,099.61 × 428,797.02
  4. Step 4: Simplify right side
    1,102,665.03x = 709,272,983,551.16
  5. Step 5: Solve for x
    x = 709,272,983,551.16/1,102,665.03
  6. Step 6: Final answer
    x = 643,235.22

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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.