Home / 1,128,807.44-1,692,490.65-744,112.32

Finding the Fourth Proportional to 1,128,807.44, 1,692,490.65 and 744,112.32

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Solution

The fourth proportional to 1,128,807.44, 1,692,490.65 and 744,112.32 is: 1,115,693.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,807.44 : 1,692,490.65 = 744,112.32 : x
  2. Step 2: Convert to fraction form
    1,128,807.44/1,692,490.65 = 744,112.32/x
  3. Step 3: Cross multiply
    1,128,807.44x = 1,692,490.65 × 744,112.32
  4. Step 4: Simplify right side
    1,128,807.44x = 1,259,403,144,532.81
  5. Step 5: Solve for x
    x = 1,259,403,144,532.81/1,128,807.44
  6. Step 6: Final answer
    x = 1,115,693.51

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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.