Home / 1,420,789.99-2,132,532.35-879,408.64

Finding the Fourth Proportional to 1,420,789.99, 2,132,532.35 and 879,408.64

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Solution

The fourth proportional to 1,420,789.99, 2,132,532.35 and 879,408.64 is: 1,319,946.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,789.99 : 2,132,532.35 = 879,408.64 : x
  2. Step 2: Convert to fraction form
    1,420,789.99/2,132,532.35 = 879,408.64/x
  3. Step 3: Cross multiply
    1,420,789.99x = 2,132,532.35 × 879,408.64
  4. Step 4: Simplify right side
    1,420,789.99x = 1,875,367,358,609.80
  5. Step 5: Solve for x
    x = 1,875,367,358,609.80/1,420,789.99
  6. Step 6: Final answer
    x = 1,319,946.91

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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.