Home / 1,806,322.45-2,708,808.61-726,470.53

Finding the Fourth Proportional to 1,806,322.45, 2,708,808.61 and 726,470.53

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Solution

The fourth proportional to 1,806,322.45, 2,708,808.61 and 726,470.53 is: 1,089,434.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806,322.45 : 2,708,808.61 = 726,470.53 : x
  2. Step 2: Convert to fraction form
    1,806,322.45/2,708,808.61 = 726,470.53/x
  3. Step 3: Cross multiply
    1,806,322.45x = 2,708,808.61 × 726,470.53
  4. Step 4: Simplify right side
    1,806,322.45x = 1,967,869,609,398.87
  5. Step 5: Solve for x
    x = 1,967,869,609,398.87/1,806,322.45
  6. Step 6: Final answer
    x = 1,089,434.29

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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.