Home / 1,378,756.73-2,068,132.01-656,907.30

Finding the Fourth Proportional to 1,378,756.73, 2,068,132.01 and 656,907.30

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Solution

The fourth proportional to 1,378,756.73, 2,068,132.01 and 656,907.30 is: 985,359.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,756.73 : 2,068,132.01 = 656,907.30 : x
  2. Step 2: Convert to fraction form
    1,378,756.73/2,068,132.01 = 656,907.30/x
  3. Step 3: Cross multiply
    1,378,756.73x = 2,068,132.01 × 656,907.30
  4. Step 4: Simplify right side
    1,378,756.73x = 1,358,571,011,448.14
  5. Step 5: Solve for x
    x = 1,358,571,011,448.14/1,378,756.73
  6. Step 6: Final answer
    x = 985,359.48

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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.