Home / 1,173,010.40-1,759,515.60-722,269.70

Finding the Fourth Proportional to 1,173,010.40, 1,759,515.60 and 722,269.70

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Solution

The fourth proportional to 1,173,010.40, 1,759,515.60 and 722,269.70 is: 1,083,404.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,010.40 : 1,759,515.60 = 722,269.70 : x
  2. Step 2: Convert to fraction form
    1,173,010.40/1,759,515.60 = 722,269.70/x
  3. Step 3: Cross multiply
    1,173,010.40x = 1,759,515.60 × 722,269.70
  4. Step 4: Simplify right side
    1,173,010.40x = 1,270,844,804,557.32
  5. Step 5: Solve for x
    x = 1,270,844,804,557.32/1,173,010.40
  6. Step 6: Final answer
    x = 1,083,404.55

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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.