Home / 1,411,564.20-1,947,970.49-766,984.43

Finding the Fourth Proportional to 1,411,564.20, 1,947,970.49 and 766,984.43

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Solution

The fourth proportional to 1,411,564.20, 1,947,970.49 and 766,984.43 is: 1,058,444.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,564.20 : 1,947,970.49 = 766,984.43 : x
  2. Step 2: Convert to fraction form
    1,411,564.20/1,947,970.49 = 766,984.43/x
  3. Step 3: Cross multiply
    1,411,564.20x = 1,947,970.49 × 766,984.43
  4. Step 4: Simplify right side
    1,411,564.20x = 1,494,063,022,354.70
  5. Step 5: Solve for x
    x = 1,494,063,022,354.70/1,411,564.20
  6. Step 6: Final answer
    x = 1,058,444.97

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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.