Home / 1,113,972.03-1,671,046.34-315,258.57

Finding the Fourth Proportional to 1,113,972.03, 1,671,046.34 and 315,258.57

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Solution

The fourth proportional to 1,113,972.03, 1,671,046.34 and 315,258.57 is: 472,912.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,972.03 : 1,671,046.34 = 315,258.57 : x
  2. Step 2: Convert to fraction form
    1,113,972.03/1,671,046.34 = 315,258.57/x
  3. Step 3: Cross multiply
    1,113,972.03x = 1,671,046.34 × 315,258.57
  4. Step 4: Simplify right side
    1,113,972.03x = 526,811,677,975.84
  5. Step 5: Solve for x
    x = 526,811,677,975.84/1,113,972.03
  6. Step 6: Final answer
    x = 472,912.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.