Home / 1,451,039.70-2,176,996.95-777,443.70

Finding the Fourth Proportional to 1,451,039.70, 2,176,996.95 and 777,443.70

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Solution

The fourth proportional to 1,451,039.70, 2,176,996.95 and 777,443.70 is: 1,166,399.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,039.70 : 2,176,996.95 = 777,443.70 : x
  2. Step 2: Convert to fraction form
    1,451,039.70/2,176,996.95 = 777,443.70/x
  3. Step 3: Cross multiply
    1,451,039.70x = 2,176,996.95 × 777,443.70
  4. Step 4: Simplify right side
    1,451,039.70x = 1,692,492,563,696.72
  5. Step 5: Solve for x
    x = 1,692,492,563,696.72/1,451,039.70
  6. Step 6: Final answer
    x = 1,166,399.90

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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.