Home / 1,054,515.29-1,455,223.83-571,069.37

Finding the Fourth Proportional to 1,054,515.29, 1,455,223.83 and 571,069.37

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Solution

The fourth proportional to 1,054,515.29, 1,455,223.83 and 571,069.37 is: 788,071.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,515.29 : 1,455,223.83 = 571,069.37 : x
  2. Step 2: Convert to fraction form
    1,054,515.29/1,455,223.83 = 571,069.37/x
  3. Step 3: Cross multiply
    1,054,515.29x = 1,455,223.83 × 571,069.37
  4. Step 4: Simplify right side
    1,054,515.29x = 831,033,748,530.97
  5. Step 5: Solve for x
    x = 831,033,748,530.97/1,054,515.29
  6. Step 6: Final answer
    x = 788,071.79

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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.