Home / 1,522,938.90-2,101,389.23-869,266.47

Finding the Fourth Proportional to 1,522,938.90, 2,101,389.23 and 869,266.47

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Solution

The fourth proportional to 1,522,938.90, 2,101,389.23 and 869,266.47 is: 1,199,435.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,938.90 : 2,101,389.23 = 869,266.47 : x
  2. Step 2: Convert to fraction form
    1,522,938.90/2,101,389.23 = 869,266.47/x
  3. Step 3: Cross multiply
    1,522,938.90x = 2,101,389.23 × 869,266.47
  4. Step 4: Simplify right side
    1,522,938.90x = 1,826,667,200,231.28
  5. Step 5: Solve for x
    x = 1,826,667,200,231.28/1,522,938.90
  6. Step 6: Final answer
    x = 1,199,435.64

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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.