Home / 1,412,216.81-1,948,866.11-767,637

Finding the Fourth Proportional to 1,412,216.81, 1,948,866.11 and 767,637

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Solution

The fourth proportional to 1,412,216.81, 1,948,866.11 and 767,637 is: 1,059,342.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,216.81 : 1,948,866.11 = 767,637 : x
  2. Step 2: Convert to fraction form
    1,412,216.81/1,948,866.11 = 767,637/x
  3. Step 3: Cross multiply
    1,412,216.81x = 1,948,866.11 × 767,637
  4. Step 4: Simplify right side
    1,412,216.81x = 1,496,021,736,360.95
  5. Step 5: Solve for x
    x = 1,496,021,736,360.95/1,412,216.81
  6. Step 6: Final answer
    x = 1,059,342.82

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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.