Home / 1,010,634.44-1,394,638.98-557,915.72

Finding the Fourth Proportional to 1,010,634.44, 1,394,638.98 and 557,915.72

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Solution

The fourth proportional to 1,010,634.44, 1,394,638.98 and 557,915.72 is: 769,903.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,634.44 : 1,394,638.98 = 557,915.72 : x
  2. Step 2: Convert to fraction form
    1,010,634.44/1,394,638.98 = 557,915.72/x
  3. Step 3: Cross multiply
    1,010,634.44x = 1,394,638.98 × 557,915.72
  4. Step 4: Simplify right side
    1,010,634.44x = 778,091,010,666.77
  5. Step 5: Solve for x
    x = 778,091,010,666.77/1,010,634.44
  6. Step 6: Final answer
    x = 769,903.52

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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.