Home / 1,375,866.66-1,898,632.14-764,058.24

Finding the Fourth Proportional to 1,375,866.66, 1,898,632.14 and 764,058.24

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Solution

The fourth proportional to 1,375,866.66, 1,898,632.14 and 764,058.24 is: 1,054,364.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,866.66 : 1,898,632.14 = 764,058.24 : x
  2. Step 2: Convert to fraction form
    1,375,866.66/1,898,632.14 = 764,058.24/x
  3. Step 3: Cross multiply
    1,375,866.66x = 1,898,632.14 × 764,058.24
  4. Step 4: Simplify right side
    1,375,866.66x = 1,450,665,531,295.83
  5. Step 5: Solve for x
    x = 1,450,665,531,295.83/1,375,866.66
  6. Step 6: Final answer
    x = 1,054,364.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.