Home / 1,113,721.99-1,669,071.88-473,222.59

Finding the Fourth Proportional to 1,113,721.99, 1,669,071.88 and 473,222.59

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Solution

The fourth proportional to 1,113,721.99, 1,669,071.88 and 473,222.59 is: 709,191.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,721.99 : 1,669,071.88 = 473,222.59 : x
  2. Step 2: Convert to fraction form
    1,113,721.99/1,669,071.88 = 473,222.59/x
  3. Step 3: Cross multiply
    1,113,721.99x = 1,669,071.88 × 473,222.59
  4. Step 4: Simplify right side
    1,113,721.99x = 789,842,511,706.74
  5. Step 5: Solve for x
    x = 789,842,511,706.74/1,113,721.99
  6. Step 6: Final answer
    x = 709,191.81

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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.