Home / 1,782,279.84-2,674,119.60-784,308

Finding the Fourth Proportional to 1,782,279.84, 2,674,119.60 and 784,308

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Solution

The fourth proportional to 1,782,279.84, 2,674,119.60 and 784,308 is: 1,176,769.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,279.84 : 2,674,119.60 = 784,308 : x
  2. Step 2: Convert to fraction form
    1,782,279.84/2,674,119.60 = 784,308/x
  3. Step 3: Cross multiply
    1,782,279.84x = 2,674,119.60 × 784,308
  4. Step 4: Simplify right side
    1,782,279.84x = 2,097,333,395,236.80
  5. Step 5: Solve for x
    x = 2,097,333,395,236.80/1,782,279.84
  6. Step 6: Final answer
    x = 1,176,769.97

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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.