Home / 1,408,471.28-1,943,684.76-763,888.88

Finding the Fourth Proportional to 1,408,471.28, 1,943,684.76 and 763,888.88

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Solution

The fourth proportional to 1,408,471.28, 1,943,684.76 and 763,888.88 is: 1,054,163.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,471.28 : 1,943,684.76 = 763,888.88 : x
  2. Step 2: Convert to fraction form
    1,408,471.28/1,943,684.76 = 763,888.88/x
  3. Step 3: Cross multiply
    1,408,471.28x = 1,943,684.76 × 763,888.88
  4. Step 4: Simplify right side
    1,408,471.28x = 1,484,759,174,389.47
  5. Step 5: Solve for x
    x = 1,484,759,174,389.47/1,408,471.28
  6. Step 6: Final answer
    x = 1,054,163.61

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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.