Home / 1,818,798.92-2,509,909.38-1,003,078

Finding the Fourth Proportional to 1,818,798.92, 2,509,909.38 and 1,003,078

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Solution

The fourth proportional to 1,818,798.92, 2,509,909.38 and 1,003,078 is: 1,384,229.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,798.92 : 2,509,909.38 = 1,003,078 : x
  2. Step 2: Convert to fraction form
    1,818,798.92/2,509,909.38 = 1,003,078/x
  3. Step 3: Cross multiply
    1,818,798.92x = 2,509,909.38 × 1,003,078
  4. Step 4: Simplify right side
    1,818,798.92x = 2,517,634,881,071.64
  5. Step 5: Solve for x
    x = 2,517,634,881,071.64/1,818,798.92
  6. Step 6: Final answer
    x = 1,384,229.37

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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.