Home / 1,321,890.63-1,824,210.89-748,969.53

Finding the Fourth Proportional to 1,321,890.63, 1,824,210.89 and 748,969.53

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Solution

The fourth proportional to 1,321,890.63, 1,824,210.89 and 748,969.53 is: 1,033,578.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,890.63 : 1,824,210.89 = 748,969.53 : x
  2. Step 2: Convert to fraction form
    1,321,890.63/1,824,210.89 = 748,969.53/x
  3. Step 3: Cross multiply
    1,321,890.63x = 1,824,210.89 × 748,969.53
  4. Step 4: Simplify right side
    1,321,890.63x = 1,366,278,372,904.18
  5. Step 5: Solve for x
    x = 1,366,278,372,904.18/1,321,890.63
  6. Step 6: Final answer
    x = 1,033,578.98

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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.