Home / 1,307,203.36-1,803,984.40-726,450.97

Finding the Fourth Proportional to 1,307,203.36, 1,803,984.40 and 726,450.97

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Solution

The fourth proportional to 1,307,203.36, 1,803,984.40 and 726,450.97 is: 1,002,526.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,203.36 : 1,803,984.40 = 726,450.97 : x
  2. Step 2: Convert to fraction form
    1,307,203.36/1,803,984.40 = 726,450.97/x
  3. Step 3: Cross multiply
    1,307,203.36x = 1,803,984.40 × 726,450.97
  4. Step 4: Simplify right side
    1,307,203.36x = 1,310,506,218,012.86
  5. Step 5: Solve for x
    x = 1,310,506,218,012.86/1,307,203.36
  6. Step 6: Final answer
    x = 1,002,526.66

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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.