Home / 1,388,031.60-2,081,537.43-476,955.69

Finding the Fourth Proportional to 1,388,031.60, 2,081,537.43 and 476,955.69

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Solution

The fourth proportional to 1,388,031.60, 2,081,537.43 and 476,955.69 is: 715,258.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,031.60 : 2,081,537.43 = 476,955.69 : x
  2. Step 2: Convert to fraction form
    1,388,031.60/2,081,537.43 = 476,955.69/x
  3. Step 3: Cross multiply
    1,388,031.60x = 2,081,537.43 × 476,955.69
  4. Step 4: Simplify right side
    1,388,031.60x = 992,801,121,186.48
  5. Step 5: Solve for x
    x = 992,801,121,186.48/1,388,031.60
  6. Step 6: Final answer
    x = 715,258.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.