Home / 1,335,619.80-1,845,599.58-972,413.28

Finding the Fourth Proportional to 1,335,619.80, 1,845,599.58 and 972,413.28

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Solution

The fourth proportional to 1,335,619.80, 1,845,599.58 and 972,413.28 is: 1,343,709.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,619.80 : 1,845,599.58 = 972,413.28 : x
  2. Step 2: Convert to fraction form
    1,335,619.80/1,845,599.58 = 972,413.28/x
  3. Step 3: Cross multiply
    1,335,619.80x = 1,845,599.58 × 972,413.28
  4. Step 4: Simplify right side
    1,335,619.80x = 1,794,685,541,154.42
  5. Step 5: Solve for x
    x = 1,794,685,541,154.42/1,335,619.80
  6. Step 6: Final answer
    x = 1,343,709.89

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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.