Home / 1,178,173.38-1,763,772.47-727,445.00

Finding the Fourth Proportional to 1,178,173.38, 1,763,772.47 and 727,445.00

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Solution

The fourth proportional to 1,178,173.38, 1,763,772.47 and 727,445.00 is: 1,089,014.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,173.38 : 1,763,772.47 = 727,445.00 : x
  2. Step 2: Convert to fraction form
    1,178,173.38/1,763,772.47 = 727,445.00/x
  3. Step 3: Cross multiply
    1,178,173.38x = 1,763,772.47 × 727,445.00
  4. Step 4: Simplify right side
    1,178,173.38x = 1,283,047,467,939.27
  5. Step 5: Solve for x
    x = 1,283,047,467,939.27/1,178,173.38
  6. Step 6: Final answer
    x = 1,089,014.13

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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.