Home / 1,330,048.33-1,995,352.75-431,420.01

Finding the Fourth Proportional to 1,330,048.33, 1,995,352.75 and 431,420.01

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Solution

The fourth proportional to 1,330,048.33, 1,995,352.75 and 431,420.01 is: 647,220.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,048.33 : 1,995,352.75 = 431,420.01 : x
  2. Step 2: Convert to fraction form
    1,330,048.33/1,995,352.75 = 431,420.01/x
  3. Step 3: Cross multiply
    1,330,048.33x = 1,995,352.75 × 431,420.01
  4. Step 4: Simplify right side
    1,330,048.33x = 860,835,093,988.49
  5. Step 5: Solve for x
    x = 860,835,093,988.49/1,330,048.33
  6. Step 6: Final answer
    x = 647,220.91

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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.