Home / 860,872.02-1,187,295.93-764,146.50

Finding the Fourth Proportional to 860,872.02, 1,187,295.93 and 764,146.50

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Solution

The fourth proportional to 860,872.02, 1,187,295.93 and 764,146.50 is: 1,053,894.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,872.02 : 1,187,295.93 = 764,146.50 : x
  2. Step 2: Convert to fraction form
    860,872.02/1,187,295.93 = 764,146.50/x
  3. Step 3: Cross multiply
    860,872.02x = 1,187,295.93 × 764,146.50
  4. Step 4: Simplify right side
    860,872.02x = 907,268,029,373.75
  5. Step 5: Solve for x
    x = 907,268,029,373.75/860,872.02
  6. Step 6: Final answer
    x = 1,053,894.20

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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.