Home / 1,208,030.22-1,667,085.03-664,221.60

Finding the Fourth Proportional to 1,208,030.22, 1,667,085.03 and 664,221.60

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Solution

The fourth proportional to 1,208,030.22, 1,667,085.03 and 664,221.60 is: 916,627.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,030.22 : 1,667,085.03 = 664,221.60 : x
  2. Step 2: Convert to fraction form
    1,208,030.22/1,667,085.03 = 664,221.60/x
  3. Step 3: Cross multiply
    1,208,030.22x = 1,667,085.03 × 664,221.60
  4. Step 4: Simplify right side
    1,208,030.22x = 1,107,313,885,962.65
  5. Step 5: Solve for x
    x = 1,107,313,885,962.65/1,208,030.22
  6. Step 6: Final answer
    x = 916,627.64

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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.