Home / 1,118,710.72-1,543,813.28-609,413.44

Finding the Fourth Proportional to 1,118,710.72, 1,543,813.28 and 609,413.44

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Solution

The fourth proportional to 1,118,710.72, 1,543,813.28 and 609,413.44 is: 840,986.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,710.72 : 1,543,813.28 = 609,413.44 : x
  2. Step 2: Convert to fraction form
    1,118,710.72/1,543,813.28 = 609,413.44/x
  3. Step 3: Cross multiply
    1,118,710.72x = 1,543,813.28 × 609,413.44
  4. Step 4: Simplify right side
    1,118,710.72x = 940,820,561,682.48
  5. Step 5: Solve for x
    x = 940,820,561,682.48/1,118,710.72
  6. Step 6: Final answer
    x = 840,986.45

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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.