Home / 1,297,667.39-1,777,774.64-1,249,150.11

Finding the Fourth Proportional to 1,297,667.39, 1,777,774.64 and 1,249,150.11

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Solution

The fourth proportional to 1,297,667.39, 1,777,774.64 and 1,249,150.11 is: 1,711,307.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,667.39 : 1,777,774.64 = 1,249,150.11 : x
  2. Step 2: Convert to fraction form
    1,297,667.39/1,777,774.64 = 1,249,150.11/x
  3. Step 3: Cross multiply
    1,297,667.39x = 1,777,774.64 × 1,249,150.11
  4. Step 4: Simplify right side
    1,297,667.39x = 2,220,707,374,198.80
  5. Step 5: Solve for x
    x = 2,220,707,374,198.80/1,297,667.39
  6. Step 6: Final answer
    x = 1,711,307.07

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.