Home / 1,505,003.78-2,076,314.02-860,078

Finding the Fourth Proportional to 1,505,003.78, 2,076,314.02 and 860,078

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Solution

The fourth proportional to 1,505,003.78, 2,076,314.02 and 860,078 is: 1,186,569.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,003.78 : 2,076,314.02 = 860,078 : x
  2. Step 2: Convert to fraction form
    1,505,003.78/2,076,314.02 = 860,078/x
  3. Step 3: Cross multiply
    1,505,003.78x = 2,076,314.02 × 860,078
  4. Step 4: Simplify right side
    1,505,003.78x = 1,785,792,009,693.56
  5. Step 5: Solve for x
    x = 1,785,792,009,693.56/1,505,003.78
  6. Step 6: Final answer
    x = 1,186,569.78

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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.