Home / 961,133.07-1,440,987.75-581,964.66

Finding the Fourth Proportional to 961,133.07, 1,440,987.75 and 581,964.66

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Solution

The fourth proportional to 961,133.07, 1,440,987.75 and 581,964.66 is: 872,515.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,133.07 : 1,440,987.75 = 581,964.66 : x
  2. Step 2: Convert to fraction form
    961,133.07/1,440,987.75 = 581,964.66/x
  3. Step 3: Cross multiply
    961,133.07x = 1,440,987.75 × 581,964.66
  4. Step 4: Simplify right side
    961,133.07x = 838,603,945,992.92
  5. Step 5: Solve for x
    x = 838,603,945,992.92/961,133.07
  6. Step 6: Final answer
    x = 872,515.96

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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.