Home / 1,054,866.75-1,455,720.57-571,431.89

Finding the Fourth Proportional to 1,054,866.75, 1,455,720.57 and 571,431.89

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Solution

The fourth proportional to 1,054,866.75, 1,455,720.57 and 571,431.89 is: 788,578.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,866.75 : 1,455,720.57 = 571,431.89 : x
  2. Step 2: Convert to fraction form
    1,054,866.75/1,455,720.57 = 571,431.89/x
  3. Step 3: Cross multiply
    1,054,866.75x = 1,455,720.57 × 571,431.89
  4. Step 4: Simplify right side
    1,054,866.75x = 831,845,149,348.38
  5. Step 5: Solve for x
    x = 831,845,149,348.38/1,054,866.75
  6. Step 6: Final answer
    x = 788,578.41

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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.