Home / 1,425,340.17-1,966,223.70-881,302.05

Finding the Fourth Proportional to 1,425,340.17, 1,966,223.70 and 881,302.05

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Solution

The fourth proportional to 1,425,340.17, 1,966,223.70 and 881,302.05 is: 1,215,735.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,340.17 : 1,966,223.70 = 881,302.05 : x
  2. Step 2: Convert to fraction form
    1,425,340.17/1,966,223.70 = 881,302.05/x
  3. Step 3: Cross multiply
    1,425,340.17x = 1,966,223.70 × 881,302.05
  4. Step 4: Simplify right side
    1,425,340.17x = 1,732,836,977,568.59
  5. Step 5: Solve for x
    x = 1,732,836,977,568.59/1,425,340.17
  6. Step 6: Final answer
    x = 1,215,735.73

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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.