Home / 1,342,878.78-1,852,975.71-762,011.58

Finding the Fourth Proportional to 1,342,878.78, 1,852,975.71 and 762,011.58

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Solution

The fourth proportional to 1,342,878.78, 1,852,975.71 and 762,011.58 is: 1,051,464.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,878.78 : 1,852,975.71 = 762,011.58 : x
  2. Step 2: Convert to fraction form
    1,342,878.78/1,852,975.71 = 762,011.58/x
  3. Step 3: Cross multiply
    1,342,878.78x = 1,852,975.71 × 762,011.58
  4. Step 4: Simplify right side
    1,342,878.78x = 1,411,988,948,478.72
  5. Step 5: Solve for x
    x = 1,411,988,948,478.72/1,342,878.78
  6. Step 6: Final answer
    x = 1,051,464.19

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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.