Home / 1,791,021.53-2,686,886.85-511,640.05

Finding the Fourth Proportional to 1,791,021.53, 2,686,886.85 and 511,640.05

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Solution

The fourth proportional to 1,791,021.53, 2,686,886.85 and 511,640.05 is: 767,561.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,021.53 : 2,686,886.85 = 511,640.05 : x
  2. Step 2: Convert to fraction form
    1,791,021.53/2,686,886.85 = 511,640.05/x
  3. Step 3: Cross multiply
    1,791,021.53x = 2,686,886.85 × 511,640.05
  4. Step 4: Simplify right side
    1,791,021.53x = 1,374,718,906,285.71
  5. Step 5: Solve for x
    x = 1,374,718,906,285.71/1,791,021.53
  6. Step 6: Final answer
    x = 767,561.35

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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.