Home / 1,010,290.40-1,515,435.60-744,569.90

Finding the Fourth Proportional to 1,010,290.40, 1,515,435.60 and 744,569.90

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Solution

The fourth proportional to 1,010,290.40, 1,515,435.60 and 744,569.90 is: 1,116,854.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,290.40 : 1,515,435.60 = 744,569.90 : x
  2. Step 2: Convert to fraction form
    1,010,290.40/1,515,435.60 = 744,569.90/x
  3. Step 3: Cross multiply
    1,010,290.40x = 1,515,435.60 × 744,569.90
  4. Step 4: Simplify right side
    1,010,290.40x = 1,128,347,733,148.44
  5. Step 5: Solve for x
    x = 1,128,347,733,148.44/1,010,290.40
  6. Step 6: Final answer
    x = 1,116,854.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.