Home / 1,442,987.81-1,990,455.55-952,961.83

Finding the Fourth Proportional to 1,442,987.81, 1,990,455.55 and 952,961.83

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Solution

The fourth proportional to 1,442,987.81, 1,990,455.55 and 952,961.83 is: 1,314,514.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,987.81 : 1,990,455.55 = 952,961.83 : x
  2. Step 2: Convert to fraction form
    1,442,987.81/1,990,455.55 = 952,961.83/x
  3. Step 3: Cross multiply
    1,442,987.81x = 1,990,455.55 × 952,961.83
  4. Step 4: Simplify right side
    1,442,987.81x = 1,896,828,156,103.11
  5. Step 5: Solve for x
    x = 1,896,828,156,103.11/1,442,987.81
  6. Step 6: Final answer
    x = 1,314,514.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.