Home / 1,072,419.27-1,608,271.68-432,557.76

Finding the Fourth Proportional to 1,072,419.27, 1,608,271.68 and 432,557.76

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Solution

The fourth proportional to 1,072,419.27, 1,608,271.68 and 432,557.76 is: 648,692.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,419.27 : 1,608,271.68 = 432,557.76 : x
  2. Step 2: Convert to fraction form
    1,072,419.27/1,608,271.68 = 432,557.76/x
  3. Step 3: Cross multiply
    1,072,419.27x = 1,608,271.68 × 432,557.76
  4. Step 4: Simplify right side
    1,072,419.27x = 695,670,395,372.24
  5. Step 5: Solve for x
    x = 695,670,395,372.24/1,072,419.27
  6. Step 6: Final answer
    x = 648,692.55

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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.