Home / 1,219,734.66-1,683,258.20-710,469.84

Finding the Fourth Proportional to 1,219,734.66, 1,683,258.20 and 710,469.84

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Solution

The fourth proportional to 1,219,734.66, 1,683,258.20 and 710,469.84 is: 980,462.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,734.66 : 1,683,258.20 = 710,469.84 : x
  2. Step 2: Convert to fraction form
    1,219,734.66/1,683,258.20 = 710,469.84/x
  3. Step 3: Cross multiply
    1,219,734.66x = 1,683,258.20 × 710,469.84
  4. Step 4: Simplify right side
    1,219,734.66x = 1,195,904,184,032.69
  5. Step 5: Solve for x
    x = 1,195,904,184,032.69/1,219,734.66
  6. Step 6: Final answer
    x = 980,462.57

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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.