Home / 1,247,432.94-1,721,064.50-763,493.58

Finding the Fourth Proportional to 1,247,432.94, 1,721,064.50 and 763,493.58

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Solution

The fourth proportional to 1,247,432.94, 1,721,064.50 and 763,493.58 is: 1,053,380.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,432.94 : 1,721,064.50 = 763,493.58 : x
  2. Step 2: Convert to fraction form
    1,247,432.94/1,721,064.50 = 763,493.58/x
  3. Step 3: Cross multiply
    1,247,432.94x = 1,721,064.50 × 763,493.58
  4. Step 4: Simplify right side
    1,247,432.94x = 1,314,021,698,424.64
  5. Step 5: Solve for x
    x = 1,314,021,698,424.64/1,247,432.94
  6. Step 6: Final answer
    x = 1,053,380.63

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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.