Home / 1,411,212.92-1,947,490.40-766,643.27

Finding the Fourth Proportional to 1,411,212.92, 1,947,490.40 and 766,643.27

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Solution

The fourth proportional to 1,411,212.92, 1,947,490.40 and 766,643.27 is: 1,057,976.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,212.92 : 1,947,490.40 = 766,643.27 : x
  2. Step 2: Convert to fraction form
    1,411,212.92/1,947,490.40 = 766,643.27/x
  3. Step 3: Cross multiply
    1,411,212.92x = 1,947,490.40 × 766,643.27
  4. Step 4: Simplify right side
    1,411,212.92x = 1,493,030,408,549.61
  5. Step 5: Solve for x
    x = 1,493,030,408,549.61/1,411,212.92
  6. Step 6: Final answer
    x = 1,057,976.71

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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.