Home / 1,223,354.86-1,687,548.81-1,136,756.95

Finding the Fourth Proportional to 1,223,354.86, 1,687,548.81 and 1,136,756.95

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Solution

The fourth proportional to 1,223,354.86, 1,687,548.81 and 1,136,756.95 is: 1,568,091.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,354.86 : 1,687,548.81 = 1,136,756.95 : x
  2. Step 2: Convert to fraction form
    1,223,354.86/1,687,548.81 = 1,136,756.95/x
  3. Step 3: Cross multiply
    1,223,354.86x = 1,687,548.81 × 1,136,756.95
  4. Step 4: Simplify right side
    1,223,354.86x = 1,918,332,836,854.75
  5. Step 5: Solve for x
    x = 1,918,332,836,854.75/1,223,354.86
  6. Step 6: Final answer
    x = 1,568,091.90

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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.