Home / 1,054,873.14-1,455,729.40-571,438.28

Finding the Fourth Proportional to 1,054,873.14, 1,455,729.40 and 571,438.28

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Solution

The fourth proportional to 1,054,873.14, 1,455,729.40 and 571,438.28 is: 788,587.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,873.14 : 1,455,729.40 = 571,438.28 : x
  2. Step 2: Convert to fraction form
    1,054,873.14/1,455,729.40 = 571,438.28/x
  3. Step 3: Cross multiply
    1,054,873.14x = 1,455,729.40 × 571,438.28
  4. Step 4: Simplify right side
    1,054,873.14x = 831,859,504,481.43
  5. Step 5: Solve for x
    x = 831,859,504,481.43/1,054,873.14
  6. Step 6: Final answer
    x = 788,587.25

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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.