Home / 1,555,660.23-2,146,048.08-1,039,540.83

Finding the Fourth Proportional to 1,555,660.23, 2,146,048.08 and 1,039,540.83

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Solution

The fourth proportional to 1,555,660.23, 2,146,048.08 and 1,039,540.83 is: 1,434,056.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,660.23 : 2,146,048.08 = 1,039,540.83 : x
  2. Step 2: Convert to fraction form
    1,555,660.23/2,146,048.08 = 1,039,540.83/x
  3. Step 3: Cross multiply
    1,555,660.23x = 2,146,048.08 × 1,039,540.83
  4. Step 4: Simplify right side
    1,555,660.23x = 2,230,904,602,303.11
  5. Step 5: Solve for x
    x = 2,230,904,602,303.11/1,555,660.23
  6. Step 6: Final answer
    x = 1,434,056.46

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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.