Home / 1,317,899.32-1,818,776.10-744,989.56

Finding the Fourth Proportional to 1,317,899.32, 1,818,776.10 and 744,989.56

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Solution

The fourth proportional to 1,317,899.32, 1,818,776.10 and 744,989.56 is: 1,028,128.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,899.32 : 1,818,776.10 = 744,989.56 : x
  2. Step 2: Convert to fraction form
    1,317,899.32/1,818,776.10 = 744,989.56/x
  3. Step 3: Cross multiply
    1,317,899.32x = 1,818,776.10 × 744,989.56
  4. Step 4: Simplify right side
    1,317,899.32x = 1,354,969,206,477.52
  5. Step 5: Solve for x
    x = 1,354,969,206,477.52/1,317,899.32
  6. Step 6: Final answer
    x = 1,028,128.01

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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.