Home / 1,503,387.61-2,255,413.11-438,513.01

Finding the Fourth Proportional to 1,503,387.61, 2,255,413.11 and 438,513.01

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Solution

The fourth proportional to 1,503,387.61, 2,255,413.11 and 438,513.01 is: 657,866.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,387.61 : 2,255,413.11 = 438,513.01 : x
  2. Step 2: Convert to fraction form
    1,503,387.61/2,255,413.11 = 438,513.01/x
  3. Step 3: Cross multiply
    1,503,387.61x = 2,255,413.11 × 438,513.01
  4. Step 4: Simplify right side
    1,503,387.61x = 989,027,991,659.56
  5. Step 5: Solve for x
    x = 989,027,991,659.56/1,503,387.61
  6. Step 6: Final answer
    x = 657,866.26

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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.