Home / 1,018,131.53-1,527,529.49-485,583.36

Finding the Fourth Proportional to 1,018,131.53, 1,527,529.49 and 485,583.36

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Solution

The fourth proportional to 1,018,131.53, 1,527,529.49 and 485,583.36 is: 728,533.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,131.53 : 1,527,529.49 = 485,583.36 : x
  2. Step 2: Convert to fraction form
    1,018,131.53/1,527,529.49 = 485,583.36/x
  3. Step 3: Cross multiply
    1,018,131.53x = 1,527,529.49 × 485,583.36
  4. Step 4: Simplify right side
    1,018,131.53x = 741,742,895,918.07
  5. Step 5: Solve for x
    x = 741,742,895,918.07/1,018,131.53
  6. Step 6: Final answer
    x = 728,533.47

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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.