Home / 1,425,340.05-1,966,223.53-881,301.93

Finding the Fourth Proportional to 1,425,340.05, 1,966,223.53 and 881,301.93

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Solution

The fourth proportional to 1,425,340.05, 1,966,223.53 and 881,301.93 is: 1,215,735.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,340.05 : 1,966,223.53 = 881,301.93 : x
  2. Step 2: Convert to fraction form
    1,425,340.05/1,966,223.53 = 881,301.93/x
  3. Step 3: Cross multiply
    1,425,340.05x = 1,966,223.53 × 881,301.93
  4. Step 4: Simplify right side
    1,425,340.05x = 1,732,836,591,800.41
  5. Step 5: Solve for x
    x = 1,732,836,591,800.41/1,425,340.05
  6. Step 6: Final answer
    x = 1,215,735.57

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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.