Home / 1,267,306.35-1,748,815.87-723,420.51

Finding the Fourth Proportional to 1,267,306.35, 1,748,815.87 and 723,420.51

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Solution

The fourth proportional to 1,267,306.35, 1,748,815.87 and 723,420.51 is: 998,282.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,306.35 : 1,748,815.87 = 723,420.51 : x
  2. Step 2: Convert to fraction form
    1,267,306.35/1,748,815.87 = 723,420.51/x
  3. Step 3: Cross multiply
    1,267,306.35x = 1,748,815.87 × 723,420.51
  4. Step 4: Simplify right side
    1,267,306.35x = 1,265,129,268,571.49
  5. Step 5: Solve for x
    x = 1,265,129,268,571.49/1,267,306.35
  6. Step 6: Final answer
    x = 998,282.12

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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.