Home / 1,357,391.39-1,872,507.24-866,845.26

Finding the Fourth Proportional to 1,357,391.39, 1,872,507.24 and 866,845.26

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Solution

The fourth proportional to 1,357,391.39, 1,872,507.24 and 866,845.26 is: 1,195,803.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,391.39 : 1,872,507.24 = 866,845.26 : x
  2. Step 2: Convert to fraction form
    1,357,391.39/1,872,507.24 = 866,845.26/x
  3. Step 3: Cross multiply
    1,357,391.39x = 1,872,507.24 × 866,845.26
  4. Step 4: Simplify right side
    1,357,391.39x = 1,623,174,025,309.68
  5. Step 5: Solve for x
    x = 1,623,174,025,309.68/1,357,391.39
  6. Step 6: Final answer
    x = 1,195,803.98

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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.