Home / 1,022,987.85-1,411,807.31-564,192.18

Finding the Fourth Proportional to 1,022,987.85, 1,411,807.31 and 564,192.18

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Solution

The fourth proportional to 1,022,987.85, 1,411,807.31 and 564,192.18 is: 778,631.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,987.85 : 1,411,807.31 = 564,192.18 : x
  2. Step 2: Convert to fraction form
    1,022,987.85/1,411,807.31 = 564,192.18/x
  3. Step 3: Cross multiply
    1,022,987.85x = 1,411,807.31 × 564,192.18
  4. Step 4: Simplify right side
    1,022,987.85x = 796,530,641,147.88
  5. Step 5: Solve for x
    x = 796,530,641,147.88/1,022,987.85
  6. Step 6: Final answer
    x = 778,631.58

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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.