Home / 1,510,553.79-2,265,830.78-513,281.79

Finding the Fourth Proportional to 1,510,553.79, 2,265,830.78 and 513,281.79

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Solution

The fourth proportional to 1,510,553.79, 2,265,830.78 and 513,281.79 is: 769,922.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,553.79 : 2,265,830.78 = 513,281.79 : x
  2. Step 2: Convert to fraction form
    1,510,553.79/2,265,830.78 = 513,281.79/x
  3. Step 3: Cross multiply
    1,510,553.79x = 2,265,830.78 × 513,281.79
  4. Step 4: Simplify right side
    1,510,553.79x = 1,163,009,676,029.09
  5. Step 5: Solve for x
    x = 1,163,009,676,029.09/1,510,553.79
  6. Step 6: Final answer
    x = 769,922.72

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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.