Home / 1,408,265.46-1,943,406.78-763,685.46

Finding the Fourth Proportional to 1,408,265.46, 1,943,406.78 and 763,685.46

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Solution

The fourth proportional to 1,408,265.46, 1,943,406.78 and 763,685.46 is: 1,053,886.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,265.46 : 1,943,406.78 = 763,685.46 : x
  2. Step 2: Convert to fraction form
    1,408,265.46/1,943,406.78 = 763,685.46/x
  3. Step 3: Cross multiply
    1,408,265.46x = 1,943,406.78 × 763,685.46
  4. Step 4: Simplify right side
    1,408,265.46x = 1,484,151,500,751.42
  5. Step 5: Solve for x
    x = 1,484,151,500,751.42/1,408,265.46
  6. Step 6: Final answer
    x = 1,053,886.18

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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.