Home / 1,040,102.85-1,560,154.28-440,962.05

Finding the Fourth Proportional to 1,040,102.85, 1,560,154.28 and 440,962.05

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Solution

The fourth proportional to 1,040,102.85, 1,560,154.28 and 440,962.05 is: 661,443.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,102.85 : 1,560,154.28 = 440,962.05 : x
  2. Step 2: Convert to fraction form
    1,040,102.85/1,560,154.28 = 440,962.05/x
  3. Step 3: Cross multiply
    1,040,102.85x = 1,560,154.28 × 440,962.05
  4. Step 4: Simplify right side
    1,040,102.85x = 687,968,827,420.26
  5. Step 5: Solve for x
    x = 687,968,827,420.26/1,040,102.85
  6. Step 6: Final answer
    x = 661,443.08

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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.