Home / 1,670,775.67-2,305,672.71-906,829.30

Finding the Fourth Proportional to 1,670,775.67, 2,305,672.71 and 906,829.30

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Solution

The fourth proportional to 1,670,775.67, 2,305,672.71 and 906,829.30 is: 1,251,425.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,775.67 : 2,305,672.71 = 906,829.30 : x
  2. Step 2: Convert to fraction form
    1,670,775.67/2,305,672.71 = 906,829.30/x
  3. Step 3: Cross multiply
    1,670,775.67x = 2,305,672.71 × 906,829.30
  4. Step 4: Simplify right side
    1,670,775.67x = 2,090,851,558,110.04
  5. Step 5: Solve for x
    x = 2,090,851,558,110.04/1,670,775.67
  6. Step 6: Final answer
    x = 1,251,425.67

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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.