Home / 1,324,298.03-1,827,591.21-780,456.74

Finding the Fourth Proportional to 1,324,298.03, 1,827,591.21 and 780,456.74

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Solution

The fourth proportional to 1,324,298.03, 1,827,591.21 and 780,456.74 is: 1,077,065.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,298.03 : 1,827,591.21 = 780,456.74 : x
  2. Step 2: Convert to fraction form
    1,324,298.03/1,827,591.21 = 780,456.74/x
  3. Step 3: Cross multiply
    1,324,298.03x = 1,827,591.21 × 780,456.74
  4. Step 4: Simplify right side
    1,324,298.03x = 1,426,355,868,671.30
  5. Step 5: Solve for x
    x = 1,426,355,868,671.30/1,324,298.03
  6. Step 6: Final answer
    x = 1,077,065.62

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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.