Home / 1,294,275.87-1,941,234.09-686,798.37

Finding the Fourth Proportional to 1,294,275.87, 1,941,234.09 and 686,798.37

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Solution

The fourth proportional to 1,294,275.87, 1,941,234.09 and 686,798.37 is: 1,030,102.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,275.87 : 1,941,234.09 = 686,798.37 : x
  2. Step 2: Convert to fraction form
    1,294,275.87/1,941,234.09 = 686,798.37/x
  3. Step 3: Cross multiply
    1,294,275.87x = 1,941,234.09 × 686,798.37
  4. Step 4: Simplify right side
    1,294,275.87x = 1,333,236,408,800.43
  5. Step 5: Solve for x
    x = 1,333,236,408,800.43/1,294,275.87
  6. Step 6: Final answer
    x = 1,030,102.19

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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.