Home / 1,333,931.82-1,999,671.68-480,794.70

Finding the Fourth Proportional to 1,333,931.82, 1,999,671.68 and 480,794.70

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Solution

The fourth proportional to 1,333,931.82, 1,999,671.68 and 480,794.70 is: 720,750.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,931.82 : 1,999,671.68 = 480,794.70 : x
  2. Step 2: Convert to fraction form
    1,333,931.82/1,999,671.68 = 480,794.70/x
  3. Step 3: Cross multiply
    1,333,931.82x = 1,999,671.68 × 480,794.70
  4. Step 4: Simplify right side
    1,333,931.82x = 961,431,545,484.10
  5. Step 5: Solve for x
    x = 961,431,545,484.10/1,333,931.82
  6. Step 6: Final answer
    x = 720,750.14

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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.