Home / 1,425,161.12-1,966,754.20-813,301.70

Finding the Fourth Proportional to 1,425,161.12, 1,966,754.20 and 813,301.70

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Solution

The fourth proportional to 1,425,161.12, 1,966,754.20 and 813,301.70 is: 1,122,374.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,161.12 : 1,966,754.20 = 813,301.70 : x
  2. Step 2: Convert to fraction form
    1,425,161.12/1,966,754.20 = 813,301.70/x
  3. Step 3: Cross multiply
    1,425,161.12x = 1,966,754.20 × 813,301.70
  4. Step 4: Simplify right side
    1,425,161.12x = 1,599,564,534,342.14
  5. Step 5: Solve for x
    x = 1,599,564,534,342.14/1,425,161.12
  6. Step 6: Final answer
    x = 1,122,374.52

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.