Home / 1,242,924.41-1,862,685.65-939,068.78

Finding the Fourth Proportional to 1,242,924.41, 1,862,685.65 and 939,068.78

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Solution

The fourth proportional to 1,242,924.41, 1,862,685.65 and 939,068.78 is: 1,407,318.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,924.41 : 1,862,685.65 = 939,068.78 : x
  2. Step 2: Convert to fraction form
    1,242,924.41/1,862,685.65 = 939,068.78/x
  3. Step 3: Cross multiply
    1,242,924.41x = 1,862,685.65 × 939,068.78
  4. Step 4: Simplify right side
    1,242,924.41x = 1,749,189,933,903.25
  5. Step 5: Solve for x
    x = 1,749,189,933,903.25/1,242,924.41
  6. Step 6: Final answer
    x = 1,407,318.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.