Home / 1,294,428.28-1,942,516.82-452,987.32

Finding the Fourth Proportional to 1,294,428.28, 1,942,516.82 and 452,987.32

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Solution

The fourth proportional to 1,294,428.28, 1,942,516.82 and 452,987.32 is: 679,786.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,428.28 : 1,942,516.82 = 452,987.32 : x
  2. Step 2: Convert to fraction form
    1,294,428.28/1,942,516.82 = 452,987.32/x
  3. Step 3: Cross multiply
    1,294,428.28x = 1,942,516.82 × 452,987.32
  4. Step 4: Simplify right side
    1,294,428.28x = 879,935,488,346.72
  5. Step 5: Solve for x
    x = 879,935,488,346.72/1,294,428.28
  6. Step 6: Final answer
    x = 679,786.98

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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.