Home / 1,070,390.96-1,476,908.28-617,419.52

Finding the Fourth Proportional to 1,070,390.96, 1,476,908.28 and 617,419.52

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Solution

The fourth proportional to 1,070,390.96, 1,476,908.28 and 617,419.52 is: 851,905.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,390.96 : 1,476,908.28 = 617,419.52 : x
  2. Step 2: Convert to fraction form
    1,070,390.96/1,476,908.28 = 617,419.52/x
  3. Step 3: Cross multiply
    1,070,390.96x = 1,476,908.28 × 617,419.52
  4. Step 4: Simplify right side
    1,070,390.96x = 911,872,001,321.63
  5. Step 5: Solve for x
    x = 911,872,001,321.63/1,070,390.96
  6. Step 6: Final answer
    x = 851,905.55

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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.