Home / 1,224,034.25-1,688,643.24-764,350.76

Finding the Fourth Proportional to 1,224,034.25, 1,688,643.24 and 764,350.76

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Solution

The fourth proportional to 1,224,034.25, 1,688,643.24 and 764,350.76 is: 1,054,476.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,034.25 : 1,688,643.24 = 764,350.76 : x
  2. Step 2: Convert to fraction form
    1,224,034.25/1,688,643.24 = 764,350.76/x
  3. Step 3: Cross multiply
    1,224,034.25x = 1,688,643.24 × 764,350.76
  4. Step 4: Simplify right side
    1,224,034.25x = 1,290,715,743,862.86
  5. Step 5: Solve for x
    x = 1,290,715,743,862.86/1,224,034.25
  6. Step 6: Final answer
    x = 1,054,476.82

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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.