Home / 1,302,131.68-1,953,387.81-627,658.34

Finding the Fourth Proportional to 1,302,131.68, 1,953,387.81 and 627,658.34

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Solution

The fourth proportional to 1,302,131.68, 1,953,387.81 and 627,658.34 is: 941,579.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,131.68 : 1,953,387.81 = 627,658.34 : x
  2. Step 2: Convert to fraction form
    1,302,131.68/1,953,387.81 = 627,658.34/x
  3. Step 3: Cross multiply
    1,302,131.68x = 1,953,387.81 × 627,658.34
  4. Step 4: Simplify right side
    1,302,131.68x = 1,226,060,140,433.90
  5. Step 5: Solve for x
    x = 1,226,060,140,433.90/1,302,131.68
  6. Step 6: Final answer
    x = 941,579.23

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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.