Home / 918,113.50-1,267,146.89-764,908.75

Finding the Fourth Proportional to 918,113.50, 1,267,146.89 and 764,908.75

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Solution

The fourth proportional to 918,113.50, 1,267,146.89 and 764,908.75 is: 1,055,699.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,113.50 : 1,267,146.89 = 764,908.75 : x
  2. Step 2: Convert to fraction form
    918,113.50/1,267,146.89 = 764,908.75/x
  3. Step 3: Cross multiply
    918,113.50x = 1,267,146.89 × 764,908.75
  4. Step 4: Simplify right side
    918,113.50x = 969,251,743,696.29
  5. Step 5: Solve for x
    x = 969,251,743,696.29/918,113.50
  6. Step 6: Final answer
    x = 1,055,699.26

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Double scale
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1.5x scale

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.