Home / 842,912.55-1,264,368.83-745,481.70

Finding the Fourth Proportional to 842,912.55, 1,264,368.83 and 745,481.70

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Solution

The fourth proportional to 842,912.55, 1,264,368.83 and 745,481.70 is: 1,118,222.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,912.55 : 1,264,368.83 = 745,481.70 : x
  2. Step 2: Convert to fraction form
    842,912.55/1,264,368.83 = 745,481.70/x
  3. Step 3: Cross multiply
    842,912.55x = 1,264,368.83 × 745,481.70
  4. Step 4: Simplify right side
    842,912.55x = 942,563,821,088.00
  5. Step 5: Solve for x
    x = 942,563,821,088.00/842,912.55
  6. Step 6: Final answer
    x = 1,118,222.55

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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.