Home / 1,538,080.55-2,122,486.93-884,656.89

Finding the Fourth Proportional to 1,538,080.55, 2,122,486.93 and 884,656.89

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Solution

The fourth proportional to 1,538,080.55, 2,122,486.93 and 884,656.89 is: 1,220,789.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,080.55 : 2,122,486.93 = 884,656.89 : x
  2. Step 2: Convert to fraction form
    1,538,080.55/2,122,486.93 = 884,656.89/x
  3. Step 3: Cross multiply
    1,538,080.55x = 2,122,486.93 × 884,656.89
  4. Step 4: Simplify right side
    1,538,080.55x = 1,877,672,671,523.73
  5. Step 5: Solve for x
    x = 1,877,672,671,523.73/1,538,080.55
  6. Step 6: Final answer
    x = 1,220,789.56

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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.