Home / 1,411,420.20-1,947,726.18-766,825.80

Finding the Fourth Proportional to 1,411,420.20, 1,947,726.18 and 766,825.80

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Solution

The fourth proportional to 1,411,420.20, 1,947,726.18 and 766,825.80 is: 1,058,201.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,420.20 : 1,947,726.18 = 766,825.80 : x
  2. Step 2: Convert to fraction form
    1,411,420.20/1,947,726.18 = 766,825.80/x
  3. Step 3: Cross multiply
    1,411,420.20x = 1,947,726.18 × 766,825.80
  4. Step 4: Simplify right side
    1,411,420.20x = 1,493,566,686,159.44
  5. Step 5: Solve for x
    x = 1,493,566,686,159.44/1,411,420.20
  6. Step 6: Final answer
    x = 1,058,201.30

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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.