Home / 1,011,566.85-1,518,201.59-505,976.19

Finding the Fourth Proportional to 1,011,566.85, 1,518,201.59 and 505,976.19

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Solution

The fourth proportional to 1,011,566.85, 1,518,201.59 and 505,976.19 is: 759,390.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,566.85 : 1,518,201.59 = 505,976.19 : x
  2. Step 2: Convert to fraction form
    1,011,566.85/1,518,201.59 = 505,976.19/x
  3. Step 3: Cross multiply
    1,011,566.85x = 1,518,201.59 × 505,976.19
  4. Step 4: Simplify right side
    1,011,566.85x = 768,173,853,630.26
  5. Step 5: Solve for x
    x = 768,173,853,630.26/1,011,566.85
  6. Step 6: Final answer
    x = 759,390.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.