Home / 1,159,128.70-1,738,693.05-661,464.70

Finding the Fourth Proportional to 1,159,128.70, 1,738,693.05 and 661,464.70

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Solution

The fourth proportional to 1,159,128.70, 1,738,693.05 and 661,464.70 is: 992,197.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,128.70 : 1,738,693.05 = 661,464.70 : x
  2. Step 2: Convert to fraction form
    1,159,128.70/1,738,693.05 = 661,464.70/x
  3. Step 3: Cross multiply
    1,159,128.70x = 1,738,693.05 × 661,464.70
  4. Step 4: Simplify right side
    1,159,128.70x = 1,150,084,076,710.34
  5. Step 5: Solve for x
    x = 1,150,084,076,710.34/1,159,128.70
  6. Step 6: Final answer
    x = 992,197.05

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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.