Home / 1,425,160.12-1,966,752.82-813,300.70

Finding the Fourth Proportional to 1,425,160.12, 1,966,752.82 and 813,300.70

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Solution

The fourth proportional to 1,425,160.12, 1,966,752.82 and 813,300.70 is: 1,122,373.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,160.12 : 1,966,752.82 = 813,300.70 : x
  2. Step 2: Convert to fraction form
    1,425,160.12/1,966,752.82 = 813,300.70/x
  3. Step 3: Cross multiply
    1,425,160.12x = 1,966,752.82 × 813,300.70
  4. Step 4: Simplify right side
    1,425,160.12x = 1,599,561,445,232.97
  5. Step 5: Solve for x
    x = 1,599,561,445,232.97/1,425,160.12
  6. Step 6: Final answer
    x = 1,122,373.14

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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.