Home / 1,404,172.23-2,106,378.15-493,275.09

Finding the Fourth Proportional to 1,404,172.23, 2,106,378.15 and 493,275.09

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Solution

The fourth proportional to 1,404,172.23, 2,106,378.15 and 493,275.09 is: 739,954.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,172.23 : 2,106,378.15 = 493,275.09 : x
  2. Step 2: Convert to fraction form
    1,404,172.23/2,106,378.15 = 493,275.09/x
  3. Step 3: Cross multiply
    1,404,172.23x = 2,106,378.15 × 493,275.09
  4. Step 4: Simplify right side
    1,404,172.23x = 1,039,023,871,515.28
  5. Step 5: Solve for x
    x = 1,039,023,871,515.28/1,404,172.23
  6. Step 6: Final answer
    x = 739,954.72

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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.