Home / 1,307,203.67-1,803,984.82-726,451.28

Finding the Fourth Proportional to 1,307,203.67, 1,803,984.82 and 726,451.28

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Solution

The fourth proportional to 1,307,203.67, 1,803,984.82 and 726,451.28 is: 1,002,527.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,203.67 : 1,803,984.82 = 726,451.28 : x
  2. Step 2: Convert to fraction form
    1,307,203.67/1,803,984.82 = 726,451.28/x
  3. Step 3: Cross multiply
    1,307,203.67x = 1,803,984.82 × 726,451.28
  4. Step 4: Simplify right side
    1,307,203.67x = 1,310,507,078,895.74
  5. Step 5: Solve for x
    x = 1,310,507,078,895.74/1,307,203.67
  6. Step 6: Final answer
    x = 1,002,527.08

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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.