Home / 1,372,139.29-1,893,395.25-760,139.24

Finding the Fourth Proportional to 1,372,139.29, 1,893,395.25 and 760,139.24

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Solution

The fourth proportional to 1,372,139.29, 1,893,395.25 and 760,139.24 is: 1,048,905.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,139.29 : 1,893,395.25 = 760,139.24 : x
  2. Step 2: Convert to fraction form
    1,372,139.29/1,893,395.25 = 760,139.24/x
  3. Step 3: Cross multiply
    1,372,139.29x = 1,893,395.25 × 760,139.24
  4. Step 4: Simplify right side
    1,372,139.29x = 1,439,244,016,887.63
  5. Step 5: Solve for x
    x = 1,439,244,016,887.63/1,372,139.29
  6. Step 6: Final answer
    x = 1,048,905.18

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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.