Home / 1,054,905.74-1,455,773.70-571,469.66

Finding the Fourth Proportional to 1,054,905.74, 1,455,773.70 and 571,469.66

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Solution

The fourth proportional to 1,054,905.74, 1,455,773.70 and 571,469.66 is: 788,630.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,905.74 : 1,455,773.70 = 571,469.66 : x
  2. Step 2: Convert to fraction form
    1,054,905.74/1,455,773.70 = 571,469.66/x
  3. Step 3: Cross multiply
    1,054,905.74x = 1,455,773.70 × 571,469.66
  4. Step 4: Simplify right side
    1,054,905.74x = 831,930,501,375.94
  5. Step 5: Solve for x
    x = 831,930,501,375.94/1,054,905.74
  6. Step 6: Final answer
    x = 788,630.18

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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.