Home / 1,294,913.64-1,787,111.46-751,215.72

Finding the Fourth Proportional to 1,294,913.64, 1,787,111.46 and 751,215.72

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Solution

The fourth proportional to 1,294,913.64, 1,787,111.46 and 751,215.72 is: 1,036,753.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,913.64 : 1,787,111.46 = 751,215.72 : x
  2. Step 2: Convert to fraction form
    1,294,913.64/1,787,111.46 = 751,215.72/x
  3. Step 3: Cross multiply
    1,294,913.64x = 1,787,111.46 × 751,215.72
  4. Step 4: Simplify right side
    1,294,913.64x = 1,342,506,222,144.15
  5. Step 5: Solve for x
    x = 1,342,506,222,144.15/1,294,913.64
  6. Step 6: Final answer
    x = 1,036,753.48

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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.