Home / 1,319,028.03-1,820,155.46-775,184.31

Finding the Fourth Proportional to 1,319,028.03, 1,820,155.46 and 775,184.31

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Solution

The fourth proportional to 1,319,028.03, 1,820,155.46 and 775,184.31 is: 1,069,693.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,028.03 : 1,820,155.46 = 775,184.31 : x
  2. Step 2: Convert to fraction form
    1,319,028.03/1,820,155.46 = 775,184.31/x
  3. Step 3: Cross multiply
    1,319,028.03x = 1,820,155.46 × 775,184.31
  4. Step 4: Simplify right side
    1,319,028.03x = 1,410,955,950,476.91
  5. Step 5: Solve for x
    x = 1,410,955,950,476.91/1,319,028.03
  6. Step 6: Final answer
    x = 1,069,693.68

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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.