Home / 1,655,310-2,284,330.20-939,918

Finding the Fourth Proportional to 1,655,310, 2,284,330.20 and 939,918

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Solution

The fourth proportional to 1,655,310, 2,284,330.20 and 939,918 is: 1,297,088.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655,310 : 2,284,330.20 = 939,918 : x
  2. Step 2: Convert to fraction form
    1,655,310/2,284,330.20 = 939,918/x
  3. Step 3: Cross multiply
    1,655,310x = 2,284,330.20 × 939,918
  4. Step 4: Simplify right side
    1,655,310x = 2,147,083,072,923.60
  5. Step 5: Solve for x
    x = 2,147,083,072,923.60/1,655,310
  6. Step 6: Final answer
    x = 1,297,088.20

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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.