Home / 1,404.20-2,104.93-526.06

Finding the Fourth Proportional to 1,404.20, 2,104.93 and 526.06

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Solution

The fourth proportional to 1,404.20, 2,104.93 and 526.06 is: 788.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404.20 : 2,104.93 = 526.06 : x
  2. Step 2: Convert to fraction form
    1,404.20/2,104.93 = 526.06/x
  3. Step 3: Cross multiply
    1,404.20x = 2,104.93 × 526.06
  4. Step 4: Simplify right side
    1,404.20x = 1,107,319.48
  5. Step 5: Solve for x
    x = 1,107,319.48/1,404.20
  6. Step 6: Final answer
    x = 788.58

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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.