Home / 1,040,879.39-1,435,000.95-730,360.08

Finding the Fourth Proportional to 1,040,879.39, 1,435,000.95 and 730,360.08

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Solution

The fourth proportional to 1,040,879.39, 1,435,000.95 and 730,360.08 is: 1,006,905.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,879.39 : 1,435,000.95 = 730,360.08 : x
  2. Step 2: Convert to fraction form
    1,040,879.39/1,435,000.95 = 730,360.08/x
  3. Step 3: Cross multiply
    1,040,879.39x = 1,435,000.95 × 730,360.08
  4. Step 4: Simplify right side
    1,040,879.39x = 1,048,067,408,642.08
  5. Step 5: Solve for x
    x = 1,048,067,408,642.08/1,040,879.39
  6. Step 6: Final answer
    x = 1,006,905.72

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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.