Home / 1,404,273.87-2,106,629.51-457,424.37

Finding the Fourth Proportional to 1,404,273.87, 2,106,629.51 and 457,424.37

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Solution

The fourth proportional to 1,404,273.87, 2,106,629.51 and 457,424.37 is: 686,207.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,273.87 : 2,106,629.51 = 457,424.37 : x
  2. Step 2: Convert to fraction form
    1,404,273.87/2,106,629.51 = 457,424.37/x
  3. Step 3: Cross multiply
    1,404,273.87x = 2,106,629.51 × 457,424.37
  4. Step 4: Simplify right side
    1,404,273.87x = 963,623,674,148.04
  5. Step 5: Solve for x
    x = 963,623,674,148.04/1,404,273.87
  6. Step 6: Final answer
    x = 686,207.79

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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.