Home / 1,370,063.50-1,890,691.23-758,258.45

Finding the Fourth Proportional to 1,370,063.50, 1,890,691.23 and 758,258.45

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Solution

The fourth proportional to 1,370,063.50, 1,890,691.23 and 758,258.45 is: 1,046,398.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,063.50 : 1,890,691.23 = 758,258.45 : x
  2. Step 2: Convert to fraction form
    1,370,063.50/1,890,691.23 = 758,258.45/x
  3. Step 3: Cross multiply
    1,370,063.50x = 1,890,691.23 × 758,258.45
  4. Step 4: Simplify right side
    1,370,063.50x = 1,433,632,601,968.50
  5. Step 5: Solve for x
    x = 1,433,632,601,968.50/1,370,063.50
  6. Step 6: Final answer
    x = 1,046,398.66

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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.