Home / 1,376,055.48-1,898,982-764,264.90

Finding the Fourth Proportional to 1,376,055.48, 1,898,982 and 764,264.90

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Solution

The fourth proportional to 1,376,055.48, 1,898,982 and 764,264.90 is: 1,054,699.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,055.48 : 1,898,982 = 764,264.90 : x
  2. Step 2: Convert to fraction form
    1,376,055.48/1,898,982 = 764,264.90/x
  3. Step 3: Cross multiply
    1,376,055.48x = 1,898,982 × 764,264.90
  4. Step 4: Simplify right side
    1,376,055.48x = 1,451,325,288,331.80
  5. Step 5: Solve for x
    x = 1,451,325,288,331.80/1,376,055.48
  6. Step 6: Final answer
    x = 1,054,699.69

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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.