Home / 1,054,449.11-1,455,140.54-571,014.78

Finding the Fourth Proportional to 1,054,449.11, 1,455,140.54 and 571,014.78

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Solution

The fourth proportional to 1,054,449.11, 1,455,140.54 and 571,014.78 is: 788,000.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,449.11 : 1,455,140.54 = 571,014.78 : x
  2. Step 2: Convert to fraction form
    1,054,449.11/1,455,140.54 = 571,014.78/x
  3. Step 3: Cross multiply
    1,054,449.11x = 1,455,140.54 × 571,014.78
  4. Step 4: Simplify right side
    1,054,449.11x = 830,906,755,317.18
  5. Step 5: Solve for x
    x = 830,906,755,317.18/1,054,449.11
  6. Step 6: Final answer
    x = 788,000.81

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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.