Home / 1,139,268.52-1,709,276.90-465,916.12

Finding the Fourth Proportional to 1,139,268.52, 1,709,276.90 and 465,916.12

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Solution

The fourth proportional to 1,139,268.52, 1,709,276.90 and 465,916.12 is: 699,027.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,268.52 : 1,709,276.90 = 465,916.12 : x
  2. Step 2: Convert to fraction form
    1,139,268.52/1,709,276.90 = 465,916.12/x
  3. Step 3: Cross multiply
    1,139,268.52x = 1,709,276.90 × 465,916.12
  4. Step 4: Simplify right side
    1,139,268.52x = 796,379,658,924.05
  5. Step 5: Solve for x
    x = 796,379,658,924.05/1,139,268.52
  6. Step 6: Final answer
    x = 699,027.18

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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.