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Finding the Fourth Proportional to 1,122,570, 1,684,464.12 and 650,178

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Solution

The fourth proportional to 1,122,570, 1,684,464.12 and 650,178 is: 975,619.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,570 : 1,684,464.12 = 650,178 : x
  2. Step 2: Convert to fraction form
    1,122,570/1,684,464.12 = 650,178/x
  3. Step 3: Cross multiply
    1,122,570x = 1,684,464.12 × 650,178
  4. Step 4: Simplify right side
    1,122,570x = 1,095,201,512,613.36
  5. Step 5: Solve for x
    x = 1,095,201,512,613.36/1,122,570
  6. Step 6: Final answer
    x = 975,619.79

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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.