Home / 1,509,313.51-2,263,970.27-387,382.51

Finding the Fourth Proportional to 1,509,313.51, 2,263,970.27 and 387,382.51

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Solution

The fourth proportional to 1,509,313.51, 2,263,970.27 and 387,382.51 is: 581,073.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,313.51 : 2,263,970.27 = 387,382.51 : x
  2. Step 2: Convert to fraction form
    1,509,313.51/2,263,970.27 = 387,382.51/x
  3. Step 3: Cross multiply
    1,509,313.51x = 2,263,970.27 × 387,382.51
  4. Step 4: Simplify right side
    1,509,313.51x = 877,022,485,757.98
  5. Step 5: Solve for x
    x = 877,022,485,757.98/1,509,313.51
  6. Step 6: Final answer
    x = 581,073.77

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Double scale
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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.