Home / 1,298,523.40-1,947,785.10-766,299.40

Finding the Fourth Proportional to 1,298,523.40, 1,947,785.10 and 766,299.40

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Solution

The fourth proportional to 1,298,523.40, 1,947,785.10 and 766,299.40 is: 1,149,449.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,523.40 : 1,947,785.10 = 766,299.40 : x
  2. Step 2: Convert to fraction form
    1,298,523.40/1,947,785.10 = 766,299.40/x
  3. Step 3: Cross multiply
    1,298,523.40x = 1,947,785.10 × 766,299.40
  4. Step 4: Simplify right side
    1,298,523.40x = 1,492,586,553,458.94
  5. Step 5: Solve for x
    x = 1,492,586,553,458.94/1,298,523.40
  6. Step 6: Final answer
    x = 1,149,449.10

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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.