Home / 1,080,087.61-1,620,125.56-440,388.87

Finding the Fourth Proportional to 1,080,087.61, 1,620,125.56 and 440,388.87

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Solution

The fourth proportional to 1,080,087.61, 1,620,125.56 and 440,388.87 is: 660,580.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,087.61 : 1,620,125.56 = 440,388.87 : x
  2. Step 2: Convert to fraction form
    1,080,087.61/1,620,125.56 = 440,388.87/x
  3. Step 3: Cross multiply
    1,080,087.61x = 1,620,125.56 × 440,388.87
  4. Step 4: Simplify right side
    1,080,087.61x = 713,485,264,626.52
  5. Step 5: Solve for x
    x = 713,485,264,626.52/1,080,087.61
  6. Step 6: Final answer
    x = 660,580.92

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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.