Home / 1,005,413.88-1,387,478.25-546,528.63

Finding the Fourth Proportional to 1,005,413.88, 1,387,478.25 and 546,528.63

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Solution

The fourth proportional to 1,005,413.88, 1,387,478.25 and 546,528.63 is: 754,213.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,413.88 : 1,387,478.25 = 546,528.63 : x
  2. Step 2: Convert to fraction form
    1,005,413.88/1,387,478.25 = 546,528.63/x
  3. Step 3: Cross multiply
    1,005,413.88x = 1,387,478.25 × 546,528.63
  4. Step 4: Simplify right side
    1,005,413.88x = 758,296,587,127.30
  5. Step 5: Solve for x
    x = 758,296,587,127.30/1,005,413.88
  6. Step 6: Final answer
    x = 754,213.37

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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.