Home / 1,425,081.77-1,966,753.56-813,325.93

Finding the Fourth Proportional to 1,425,081.77, 1,966,753.56 and 813,325.93

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Solution

The fourth proportional to 1,425,081.77, 1,966,753.56 and 813,325.93 is: 1,122,470.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,081.77 : 1,966,753.56 = 813,325.93 : x
  2. Step 2: Convert to fraction form
    1,425,081.77/1,966,753.56 = 813,325.93/x
  3. Step 3: Cross multiply
    1,425,081.77x = 1,966,753.56 × 813,325.93
  4. Step 4: Simplify right side
    1,425,081.77x = 1,599,611,670,601.45
  5. Step 5: Solve for x
    x = 1,599,611,670,601.45/1,425,081.77
  6. Step 6: Final answer
    x = 1,122,470.09

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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.