Home / 1,313,847.80-1,970,830.02-515,058.20

Finding the Fourth Proportional to 1,313,847.80, 1,970,830.02 and 515,058.20

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Solution

The fourth proportional to 1,313,847.80, 1,970,830.02 and 515,058.20 is: 772,610.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,847.80 : 1,970,830.02 = 515,058.20 : x
  2. Step 2: Convert to fraction form
    1,313,847.80/1,970,830.02 = 515,058.20/x
  3. Step 3: Cross multiply
    1,313,847.80x = 1,970,830.02 × 515,058.20
  4. Step 4: Simplify right side
    1,313,847.80x = 1,015,092,162,607.16
  5. Step 5: Solve for x
    x = 1,015,092,162,607.16/1,313,847.80
  6. Step 6: Final answer
    x = 772,610.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.