Home / 1,321,543.19-1,823,667.94-748,587.46

Finding the Fourth Proportional to 1,321,543.19, 1,823,667.94 and 748,587.46

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Solution

The fourth proportional to 1,321,543.19, 1,823,667.94 and 748,587.46 is: 1,033,015.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,543.19 : 1,823,667.94 = 748,587.46 : x
  2. Step 2: Convert to fraction form
    1,321,543.19/1,823,667.94 = 748,587.46/x
  3. Step 3: Cross multiply
    1,321,543.19x = 1,823,667.94 × 748,587.46
  4. Step 4: Simplify right side
    1,321,543.19x = 1,365,174,951,088.03
  5. Step 5: Solve for x
    x = 1,365,174,951,088.03/1,321,543.19
  6. Step 6: Final answer
    x = 1,033,015.77

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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.