Home / 1,484,639.21-2,226,514.59-774,279.74

Finding the Fourth Proportional to 1,484,639.21, 2,226,514.59 and 774,279.74

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Solution

The fourth proportional to 1,484,639.21, 2,226,514.59 and 774,279.74 is: 1,161,187.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484,639.21 : 2,226,514.59 = 774,279.74 : x
  2. Step 2: Convert to fraction form
    1,484,639.21/2,226,514.59 = 774,279.74/x
  3. Step 3: Cross multiply
    1,484,639.21x = 2,226,514.59 × 774,279.74
  4. Step 4: Simplify right side
    1,484,639.21x = 1,723,945,143,417.69
  5. Step 5: Solve for x
    x = 1,723,945,143,417.69/1,484,639.21
  6. Step 6: Final answer
    x = 1,161,187.94

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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.