Home / 1,115,261.15-1,539,055.03-631,825.15

Finding the Fourth Proportional to 1,115,261.15, 1,539,055.03 and 631,825.15

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Solution

The fourth proportional to 1,115,261.15, 1,539,055.03 and 631,825.15 is: 871,915.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,261.15 : 1,539,055.03 = 631,825.15 : x
  2. Step 2: Convert to fraction form
    1,115,261.15/1,539,055.03 = 631,825.15/x
  3. Step 3: Cross multiply
    1,115,261.15x = 1,539,055.03 × 631,825.15
  4. Step 4: Simplify right side
    1,115,261.15x = 972,413,675,188.01
  5. Step 5: Solve for x
    x = 972,413,675,188.01/1,115,261.15
  6. Step 6: Final answer
    x = 871,915.67

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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.