Home / 1,208,159.52-1,667,224.80-664,294.80

Finding the Fourth Proportional to 1,208,159.52, 1,667,224.80 and 664,294.80

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Solution

The fourth proportional to 1,208,159.52, 1,667,224.80 and 664,294.80 is: 916,707.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,159.52 : 1,667,224.80 = 664,294.80 : x
  2. Step 2: Convert to fraction form
    1,208,159.52/1,667,224.80 = 664,294.80/x
  3. Step 3: Cross multiply
    1,208,159.52x = 1,667,224.80 × 664,294.80
  4. Step 4: Simplify right side
    1,208,159.52x = 1,107,528,765,071.04
  5. Step 5: Solve for x
    x = 1,107,528,765,071.04/1,208,159.52
  6. Step 6: Final answer
    x = 916,707.39

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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.