Home / 1,664,429.40-2,497,508.10-777,965.40

Finding the Fourth Proportional to 1,664,429.40, 2,497,508.10 and 777,965.40

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Solution

The fourth proportional to 1,664,429.40, 2,497,508.10 and 777,965.40 is: 1,167,351.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,429.40 : 2,497,508.10 = 777,965.40 : x
  2. Step 2: Convert to fraction form
    1,664,429.40/2,497,508.10 = 777,965.40/x
  3. Step 3: Cross multiply
    1,664,429.40x = 2,497,508.10 × 777,965.40
  4. Step 4: Simplify right side
    1,664,429.40x = 1,942,974,888,019.74
  5. Step 5: Solve for x
    x = 1,942,974,888,019.74/1,664,429.40
  6. Step 6: Final answer
    x = 1,167,351.94

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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.