Home / 1,436,523.72-2,155,420.28-753,247.42

Finding the Fourth Proportional to 1,436,523.72, 2,155,420.28 and 753,247.42

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Solution

The fourth proportional to 1,436,523.72, 2,155,420.28 and 753,247.42 is: 1,130,203.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,523.72 : 2,155,420.28 = 753,247.42 : x
  2. Step 2: Convert to fraction form
    1,436,523.72/2,155,420.28 = 753,247.42/x
  3. Step 3: Cross multiply
    1,436,523.72x = 2,155,420.28 × 753,247.42
  4. Step 4: Simplify right side
    1,436,523.72x = 1,623,564,764,925.68
  5. Step 5: Solve for x
    x = 1,623,564,764,925.68/1,436,523.72
  6. Step 6: Final answer
    x = 1,130,203.94

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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.