Home / 1,376,482.88-1,899,493.53-764,674.17

Finding the Fourth Proportional to 1,376,482.88, 1,899,493.53 and 764,674.17

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Solution

The fourth proportional to 1,376,482.88, 1,899,493.53 and 764,674.17 is: 1,055,221.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,482.88 : 1,899,493.53 = 764,674.17 : x
  2. Step 2: Convert to fraction form
    1,376,482.88/1,899,493.53 = 764,674.17/x
  3. Step 3: Cross multiply
    1,376,482.88x = 1,899,493.53 × 764,674.17
  4. Step 4: Simplify right side
    1,376,482.88x = 1,452,493,638,473.12
  5. Step 5: Solve for x
    x = 1,452,493,638,473.12/1,376,482.88
  6. Step 6: Final answer
    x = 1,055,221.00

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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.