Home / 901,406.60-1,243,955.78-493,501.56

Finding the Fourth Proportional to 901,406.60, 1,243,955.78 and 493,501.56

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Solution

The fourth proportional to 901,406.60, 1,243,955.78 and 493,501.56 is: 681,040.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,406.60 : 1,243,955.78 = 493,501.56 : x
  2. Step 2: Convert to fraction form
    901,406.60/1,243,955.78 = 493,501.56/x
  3. Step 3: Cross multiply
    901,406.60x = 1,243,955.78 × 493,501.56
  4. Step 4: Simplify right side
    901,406.60x = 613,894,118,001.02
  5. Step 5: Solve for x
    x = 613,894,118,001.02/901,406.60
  6. Step 6: Final answer
    x = 681,040.19

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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.