Home / 1,085,281.38-1,627,700.40-411,130.26

Finding the Fourth Proportional to 1,085,281.38, 1,627,700.40 and 411,130.26

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Solution

The fourth proportional to 1,085,281.38, 1,627,700.40 and 411,130.26 is: 616,611.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,281.38 : 1,627,700.40 = 411,130.26 : x
  2. Step 2: Convert to fraction form
    1,085,281.38/1,627,700.40 = 411,130.26/x
  3. Step 3: Cross multiply
    1,085,281.38x = 1,627,700.40 × 411,130.26
  4. Step 4: Simplify right side
    1,085,281.38x = 669,196,888,654.10
  5. Step 5: Solve for x
    x = 669,196,888,654.10/1,085,281.38
  6. Step 6: Final answer
    x = 616,611.42

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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.