Home / 1,415,757.31-2,123,758.29-391,087.23

Finding the Fourth Proportional to 1,415,757.31, 2,123,758.29 and 391,087.23

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Solution

The fourth proportional to 1,415,757.31, 2,123,758.29 and 391,087.23 is: 586,664.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,757.31 : 2,123,758.29 = 391,087.23 : x
  2. Step 2: Convert to fraction form
    1,415,757.31/2,123,758.29 = 391,087.23/x
  3. Step 3: Cross multiply
    1,415,757.31x = 2,123,758.29 × 391,087.23
  4. Step 4: Simplify right side
    1,415,757.31x = 830,574,746,825.64
  5. Step 5: Solve for x
    x = 830,574,746,825.64/1,415,757.31
  6. Step 6: Final answer
    x = 586,664.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.