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Finding the Fourth Proportional to 1,283,253, 1,771,356.42 and 746,709

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Solution

The fourth proportional to 1,283,253, 1,771,356.42 and 746,709 is: 1,030,730.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,253 : 1,771,356.42 = 746,709 : x
  2. Step 2: Convert to fraction form
    1,283,253/1,771,356.42 = 746,709/x
  3. Step 3: Cross multiply
    1,283,253x = 1,771,356.42 × 746,709
  4. Step 4: Simplify right side
    1,283,253x = 1,322,687,781,021.78
  5. Step 5: Solve for x
    x = 1,322,687,781,021.78/1,283,253
  6. Step 6: Final answer
    x = 1,030,730.32

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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.