Home / 1,153,273.42-1,729,917.42-756,434.98

Finding the Fourth Proportional to 1,153,273.42, 1,729,917.42 and 756,434.98

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Solution

The fourth proportional to 1,153,273.42, 1,729,917.42 and 756,434.98 is: 1,134,657.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,273.42 : 1,729,917.42 = 756,434.98 : x
  2. Step 2: Convert to fraction form
    1,153,273.42/1,729,917.42 = 756,434.98/x
  3. Step 3: Cross multiply
    1,153,273.42x = 1,729,917.42 × 756,434.98
  4. Step 4: Simplify right side
    1,153,273.42x = 1,308,570,048,999.35
  5. Step 5: Solve for x
    x = 1,308,570,048,999.35/1,153,273.42
  6. Step 6: Final answer
    x = 1,134,657.25

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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.