Home / 1,187,170.24-1,783,096.80-1,020,055.36

Finding the Fourth Proportional to 1,187,170.24, 1,783,096.80 and 1,020,055.36

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Solution

The fourth proportional to 1,187,170.24, 1,783,096.80 and 1,020,055.36 is: 1,532,094.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,170.24 : 1,783,096.80 = 1,020,055.36 : x
  2. Step 2: Convert to fraction form
    1,187,170.24/1,783,096.80 = 1,020,055.36/x
  3. Step 3: Cross multiply
    1,187,170.24x = 1,783,096.80 × 1,020,055.36
  4. Step 4: Simplify right side
    1,187,170.24x = 1,818,857,448,238.85
  5. Step 5: Solve for x
    x = 1,818,857,448,238.85/1,187,170.24
  6. Step 6: Final answer
    x = 1,532,094.88

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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.