Home / 1,299,987.78-1,950,661.68-532,055.52

Finding the Fourth Proportional to 1,299,987.78, 1,950,661.68 and 532,055.52

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Solution

The fourth proportional to 1,299,987.78, 1,950,661.68 and 532,055.52 is: 798,361.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,987.78 : 1,950,661.68 = 532,055.52 : x
  2. Step 2: Convert to fraction form
    1,299,987.78/1,950,661.68 = 532,055.52/x
  3. Step 3: Cross multiply
    1,299,987.78x = 1,950,661.68 × 532,055.52
  4. Step 4: Simplify right side
    1,299,987.78x = 1,037,860,314,496.47
  5. Step 5: Solve for x
    x = 1,037,860,314,496.47/1,299,987.78
  6. Step 6: Final answer
    x = 798,361.59

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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.