Home / 1,415,172.23-1,952,972.69-770,627.49

Finding the Fourth Proportional to 1,415,172.23, 1,952,972.69 and 770,627.49

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Solution

The fourth proportional to 1,415,172.23, 1,952,972.69 and 770,627.49 is: 1,063,485.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,172.23 : 1,952,972.69 = 770,627.49 : x
  2. Step 2: Convert to fraction form
    1,415,172.23/1,952,972.69 = 770,627.49/x
  3. Step 3: Cross multiply
    1,415,172.23x = 1,952,972.69 × 770,627.49
  4. Step 4: Simplify right side
    1,415,172.23x = 1,505,014,438,280.11
  5. Step 5: Solve for x
    x = 1,505,014,438,280.11/1,415,172.23
  6. Step 6: Final answer
    x = 1,063,485.00

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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.