Home / 1,236,187.86-1,850,959.60-784,463.01

Finding the Fourth Proportional to 1,236,187.86, 1,850,959.60 and 784,463.01

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Solution

The fourth proportional to 1,236,187.86, 1,850,959.60 and 784,463.01 is: 1,174,586.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,187.86 : 1,850,959.60 = 784,463.01 : x
  2. Step 2: Convert to fraction form
    1,236,187.86/1,850,959.60 = 784,463.01/x
  3. Step 3: Cross multiply
    1,236,187.86x = 1,850,959.60 × 784,463.01
  4. Step 4: Simplify right side
    1,236,187.86x = 1,452,009,326,027.28
  5. Step 5: Solve for x
    x = 1,452,009,326,027.28/1,236,187.86
  6. Step 6: Final answer
    x = 1,174,586.31

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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.