Home / 1,208,154.48-1,667,218.68-664,289.52

Finding the Fourth Proportional to 1,208,154.48, 1,667,218.68 and 664,289.52

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Solution

The fourth proportional to 1,208,154.48, 1,667,218.68 and 664,289.52 is: 916,700.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,154.48 : 1,667,218.68 = 664,289.52 : x
  2. Step 2: Convert to fraction form
    1,208,154.48/1,667,218.68 = 664,289.52/x
  3. Step 3: Cross multiply
    1,208,154.48x = 1,667,218.68 × 664,289.52
  4. Step 4: Simplify right side
    1,208,154.48x = 1,107,515,896,672.23
  5. Step 5: Solve for x
    x = 1,107,515,896,672.23/1,208,154.48
  6. Step 6: Final answer
    x = 916,700.57

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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.