Home / 1,425,286.93-1,966,348.65-813,473.68

Finding the Fourth Proportional to 1,425,286.93, 1,966,348.65 and 813,473.68

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Solution

The fourth proportional to 1,425,286.93, 1,966,348.65 and 813,473.68 is: 1,122,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,286.93 : 1,966,348.65 = 813,473.68 : x
  2. Step 2: Convert to fraction form
    1,425,286.93/1,966,348.65 = 813,473.68/x
  3. Step 3: Cross multiply
    1,425,286.93x = 1,966,348.65 × 813,473.68
  4. Step 4: Simplify right side
    1,425,286.93x = 1,599,572,872,478.53
  5. Step 5: Solve for x
    x = 1,599,572,872,478.53/1,425,286.93
  6. Step 6: Final answer
    x = 1,122,281.30

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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.