Home / 1,292,571.33-1,939,742.64-451,123.08

Finding the Fourth Proportional to 1,292,571.33, 1,939,742.64 and 451,123.08

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Solution

The fourth proportional to 1,292,571.33, 1,939,742.64 and 451,123.08 is: 676,993.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,571.33 : 1,939,742.64 = 451,123.08 : x
  2. Step 2: Convert to fraction form
    1,292,571.33/1,939,742.64 = 451,123.08/x
  3. Step 3: Cross multiply
    1,292,571.33x = 1,939,742.64 × 451,123.08
  4. Step 4: Simplify right side
    1,292,571.33x = 875,062,674,164.13
  5. Step 5: Solve for x
    x = 875,062,674,164.13/1,292,571.33
  6. Step 6: Final answer
    x = 676,993.72

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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.