Home / 1,425,688.60-2,138,382.24-751,499.68

Finding the Fourth Proportional to 1,425,688.60, 2,138,382.24 and 751,499.68

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Solution

The fourth proportional to 1,425,688.60, 2,138,382.24 and 751,499.68 is: 1,127,170.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,688.60 : 2,138,382.24 = 751,499.68 : x
  2. Step 2: Convert to fraction form
    1,425,688.60/2,138,382.24 = 751,499.68/x
  3. Step 3: Cross multiply
    1,425,688.60x = 2,138,382.24 × 751,499.68
  4. Step 4: Simplify right side
    1,425,688.60x = 1,606,993,569,077.68
  5. Step 5: Solve for x
    x = 1,606,993,569,077.68/1,425,688.60
  6. Step 6: Final answer
    x = 1,127,170.11

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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.