Home / 1,515,790.23-2,091,717.07-862,354.72

Finding the Fourth Proportional to 1,515,790.23, 2,091,717.07 and 862,354.72

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Solution

The fourth proportional to 1,515,790.23, 2,091,717.07 and 862,354.72 is: 1,190,007.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,790.23 : 2,091,717.07 = 862,354.72 : x
  2. Step 2: Convert to fraction form
    1,515,790.23/2,091,717.07 = 862,354.72/x
  3. Step 3: Cross multiply
    1,515,790.23x = 2,091,717.07 × 862,354.72
  4. Step 4: Simplify right side
    1,515,790.23x = 1,803,802,088,219.07
  5. Step 5: Solve for x
    x = 1,803,802,088,219.07/1,515,790.23
  6. Step 6: Final answer
    x = 1,190,007.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.