Home / 1,425,230.42-1,966,834.24-813,465.77

Finding the Fourth Proportional to 1,425,230.42, 1,966,834.24 and 813,465.77

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Solution

The fourth proportional to 1,425,230.42, 1,966,834.24 and 813,465.77 is: 1,122,592.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,230.42 : 1,966,834.24 = 813,465.77 : x
  2. Step 2: Convert to fraction form
    1,425,230.42/1,966,834.24 = 813,465.77/x
  3. Step 3: Cross multiply
    1,425,230.42x = 1,966,834.24 × 813,465.77
  4. Step 4: Simplify right side
    1,425,230.42x = 1,599,952,317,636.13
  5. Step 5: Solve for x
    x = 1,599,952,317,636.13/1,425,230.42
  6. Step 6: Final answer
    x = 1,122,592.04

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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.