Home / 972,181.80-1,458,272.70-919,693.80

Finding the Fourth Proportional to 972,181.80, 1,458,272.70 and 919,693.80

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Solution

The fourth proportional to 972,181.80, 1,458,272.70 and 919,693.80 is: 1,379,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,181.80 : 1,458,272.70 = 919,693.80 : x
  2. Step 2: Convert to fraction form
    972,181.80/1,458,272.70 = 919,693.80/x
  3. Step 3: Cross multiply
    972,181.80x = 1,458,272.70 × 919,693.80
  4. Step 4: Simplify right side
    972,181.80x = 1,341,164,360,899.26
  5. Step 5: Solve for x
    x = 1,341,164,360,899.26/972,181.80
  6. Step 6: Final answer
    x = 1,379,540.70

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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.