Home / 1,657,964.86-2,287,975.33-922,907.48

Finding the Fourth Proportional to 1,657,964.86, 2,287,975.33 and 922,907.48

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Solution

The fourth proportional to 1,657,964.86, 2,287,975.33 and 922,907.48 is: 1,273,603.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,964.86 : 2,287,975.33 = 922,907.48 : x
  2. Step 2: Convert to fraction form
    1,657,964.86/2,287,975.33 = 922,907.48/x
  3. Step 3: Cross multiply
    1,657,964.86x = 2,287,975.33 × 922,907.48
  4. Step 4: Simplify right side
    1,657,964.86x = 2,111,589,546,112.47
  5. Step 5: Solve for x
    x = 2,111,589,546,112.47/1,657,964.86
  6. Step 6: Final answer
    x = 1,273,603.32

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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.