Home / 992,408.20-1,488,612.30-976,661.80

Finding the Fourth Proportional to 992,408.20, 1,488,612.30 and 976,661.80

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Solution

The fourth proportional to 992,408.20, 1,488,612.30 and 976,661.80 is: 1,464,992.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,408.20 : 1,488,612.30 = 976,661.80 : x
  2. Step 2: Convert to fraction form
    992,408.20/1,488,612.30 = 976,661.80/x
  3. Step 3: Cross multiply
    992,408.20x = 1,488,612.30 × 976,661.80
  4. Step 4: Simplify right side
    992,408.20x = 1,453,870,768,420.14
  5. Step 5: Solve for x
    x = 1,453,870,768,420.14/992,408.20
  6. Step 6: Final answer
    x = 1,464,992.70

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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.