Home / 1,464,128.25-2,019,077.44-1,141,720.71

Finding the Fourth Proportional to 1,464,128.25, 2,019,077.44 and 1,141,720.71

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Solution

The fourth proportional to 1,464,128.25, 2,019,077.44 and 1,141,720.71 is: 1,574,467.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464,128.25 : 2,019,077.44 = 1,141,720.71 : x
  2. Step 2: Convert to fraction form
    1,464,128.25/2,019,077.44 = 1,141,720.71/x
  3. Step 3: Cross multiply
    1,464,128.25x = 2,019,077.44 × 1,141,720.71
  4. Step 4: Simplify right side
    1,464,128.25x = 2,305,222,528,341.78
  5. Step 5: Solve for x
    x = 2,305,222,528,341.78/1,464,128.25
  6. Step 6: Final answer
    x = 1,574,467.62

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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.