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Finding the Fourth Proportional to 1,109,592.42, 1,662,917.30 and 569,826.90

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Solution

The fourth proportional to 1,109,592.42, 1,662,917.30 and 569,826.90 is: 853,984.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,592.42 : 1,662,917.30 = 569,826.90 : x
  2. Step 2: Convert to fraction form
    1,109,592.42/1,662,917.30 = 569,826.90/x
  3. Step 3: Cross multiply
    1,109,592.42x = 1,662,917.30 × 569,826.90
  4. Step 4: Simplify right side
    1,109,592.42x = 947,575,010,015.37
  5. Step 5: Solve for x
    x = 947,575,010,015.37/1,109,592.42
  6. Step 6: Final answer
    x = 853,984.75

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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.