Home / 1,219,687.65-1,683,167.28-675,858.64

Finding the Fourth Proportional to 1,219,687.65, 1,683,167.28 and 675,858.64

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Solution

The fourth proportional to 1,219,687.65, 1,683,167.28 and 675,858.64 is: 932,683.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,687.65 : 1,683,167.28 = 675,858.64 : x
  2. Step 2: Convert to fraction form
    1,219,687.65/1,683,167.28 = 675,858.64/x
  3. Step 3: Cross multiply
    1,219,687.65x = 1,683,167.28 × 675,858.64
  4. Step 4: Simplify right side
    1,219,687.65x = 1,137,583,148,753.30
  5. Step 5: Solve for x
    x = 1,137,583,148,753.30/1,219,687.65
  6. Step 6: Final answer
    x = 932,683.99

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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.