Home / 1,342,272.25-1,852,336.01-738,660.25

Finding the Fourth Proportional to 1,342,272.25, 1,852,336.01 and 738,660.25

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Solution

The fourth proportional to 1,342,272.25, 1,852,336.01 and 738,660.25 is: 1,019,351.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,272.25 : 1,852,336.01 = 738,660.25 : x
  2. Step 2: Convert to fraction form
    1,342,272.25/1,852,336.01 = 738,660.25/x
  3. Step 3: Cross multiply
    1,342,272.25x = 1,852,336.01 × 738,660.25
  4. Step 4: Simplify right side
    1,342,272.25x = 1,368,246,980,230.60
  5. Step 5: Solve for x
    x = 1,368,246,980,230.60/1,342,272.25
  6. Step 6: Final answer
    x = 1,019,351.31

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1.5x scale

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.