Home / 1,278,210.56-1,764,569.78-794,931.40

Finding the Fourth Proportional to 1,278,210.56, 1,764,569.78 and 794,931.40

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Solution

The fourth proportional to 1,278,210.56, 1,764,569.78 and 794,931.40 is: 1,097,402.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,210.56 : 1,764,569.78 = 794,931.40 : x
  2. Step 2: Convert to fraction form
    1,278,210.56/1,764,569.78 = 794,931.40/x
  3. Step 3: Cross multiply
    1,278,210.56x = 1,764,569.78 × 794,931.40
  4. Step 4: Simplify right side
    1,278,210.56x = 1,402,711,926,825.14
  5. Step 5: Solve for x
    x = 1,402,711,926,825.14/1,278,210.56
  6. Step 6: Final answer
    x = 1,097,402.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.