Home / 1,155,405.68-1,594,608.36-646,136.72

Finding the Fourth Proportional to 1,155,405.68, 1,594,608.36 and 646,136.72

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Solution

The fourth proportional to 1,155,405.68, 1,594,608.36 and 646,136.72 is: 891,751.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,405.68 : 1,594,608.36 = 646,136.72 : x
  2. Step 2: Convert to fraction form
    1,155,405.68/1,594,608.36 = 646,136.72/x
  3. Step 3: Cross multiply
    1,155,405.68x = 1,594,608.36 × 646,136.72
  4. Step 4: Simplify right side
    1,155,405.68x = 1,030,335,015,414.98
  5. Step 5: Solve for x
    x = 1,030,335,015,414.98/1,155,405.68
  6. Step 6: Final answer
    x = 891,751.73

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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.