Home / 1,154,309.94-1,592,945.19-645,012.32

Finding the Fourth Proportional to 1,154,309.94, 1,592,945.19 and 645,012.32

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Solution

The fourth proportional to 1,154,309.94, 1,592,945.19 and 645,012.32 is: 890,115.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,309.94 : 1,592,945.19 = 645,012.32 : x
  2. Step 2: Convert to fraction form
    1,154,309.94/1,592,945.19 = 645,012.32/x
  3. Step 3: Cross multiply
    1,154,309.94x = 1,592,945.19 × 645,012.32
  4. Step 4: Simplify right side
    1,154,309.94x = 1,027,469,264,670.01
  5. Step 5: Solve for x
    x = 1,027,469,264,670.01/1,154,309.94
  6. Step 6: Final answer
    x = 890,115.58

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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.