Home / 1,307,420.70-1,960,007.86-454,381.52

Finding the Fourth Proportional to 1,307,420.70, 1,960,007.86 and 454,381.52

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Solution

The fourth proportional to 1,307,420.70, 1,960,007.86 and 454,381.52 is: 681,181.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,420.70 : 1,960,007.86 = 454,381.52 : x
  2. Step 2: Convert to fraction form
    1,307,420.70/1,960,007.86 = 454,381.52/x
  3. Step 3: Cross multiply
    1,307,420.70x = 1,960,007.86 × 454,381.52
  4. Step 4: Simplify right side
    1,307,420.70x = 890,591,350,638.75
  5. Step 5: Solve for x
    x = 890,591,350,638.75/1,307,420.70
  6. Step 6: Final answer
    x = 681,181.93

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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.