Home / 1,494,740-2,062,784.94-815,720.24

Finding the Fourth Proportional to 1,494,740, 2,062,784.94 and 815,720.24

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Solution

The fourth proportional to 1,494,740, 2,062,784.94 and 815,720.24 is: 1,125,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,740 : 2,062,784.94 = 815,720.24 : x
  2. Step 2: Convert to fraction form
    1,494,740/2,062,784.94 = 815,720.24/x
  3. Step 3: Cross multiply
    1,494,740x = 2,062,784.94 × 815,720.24
  4. Step 4: Simplify right side
    1,494,740x = 1,682,655,426,325.19
  5. Step 5: Solve for x
    x = 1,682,655,426,325.19/1,494,740
  6. Step 6: Final answer
    x = 1,125,717.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.