Home / 1,307,425.94-1,960,015.72-454,386.77

Finding the Fourth Proportional to 1,307,425.94, 1,960,015.72 and 454,386.77

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Solution

The fourth proportional to 1,307,425.94, 1,960,015.72 and 454,386.77 is: 681,189.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,425.94 : 1,960,015.72 = 454,386.77 : x
  2. Step 2: Convert to fraction form
    1,307,425.94/1,960,015.72 = 454,386.77/x
  3. Step 3: Cross multiply
    1,307,425.94x = 1,960,015.72 × 454,386.77
  4. Step 4: Simplify right side
    1,307,425.94x = 890,605,212,160.02
  5. Step 5: Solve for x
    x = 890,605,212,160.02/1,307,425.94
  6. Step 6: Final answer
    x = 681,189.80

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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.