Home / 1,179,376.60-1,769,064.90-292,912.60

Finding the Fourth Proportional to 1,179,376.60, 1,769,064.90 and 292,912.60

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Solution

The fourth proportional to 1,179,376.60, 1,769,064.90 and 292,912.60 is: 439,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,376.60 : 1,769,064.90 = 292,912.60 : x
  2. Step 2: Convert to fraction form
    1,179,376.60/1,769,064.90 = 292,912.60/x
  3. Step 3: Cross multiply
    1,179,376.60x = 1,769,064.90 × 292,912.60
  4. Step 4: Simplify right side
    1,179,376.60x = 518,181,399,427.74
  5. Step 5: Solve for x
    x = 518,181,399,427.74/1,179,376.60
  6. Step 6: Final answer
    x = 439,368.90

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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.