Home / 1,688,035.40-2,532,057.22-425,863.04

Finding the Fourth Proportional to 1,688,035.40, 2,532,057.22 and 425,863.04

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Solution

The fourth proportional to 1,688,035.40, 2,532,057.22 and 425,863.04 is: 638,795.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,035.40 : 2,532,057.22 = 425,863.04 : x
  2. Step 2: Convert to fraction form
    1,688,035.40/2,532,057.22 = 425,863.04/x
  3. Step 3: Cross multiply
    1,688,035.40x = 2,532,057.22 × 425,863.04
  4. Step 4: Simplify right side
    1,688,035.40x = 1,078,309,585,163.15
  5. Step 5: Solve for x
    x = 1,078,309,585,163.15/1,688,035.40
  6. Step 6: Final answer
    x = 638,795.60

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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.