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Finding the Fourth Proportional to 1,342,819, 1,853,090.22 and 739,207

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Solution

The fourth proportional to 1,342,819, 1,853,090.22 and 739,207 is: 1,020,105.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,819 : 1,853,090.22 = 739,207 : x
  2. Step 2: Convert to fraction form
    1,342,819/1,853,090.22 = 739,207/x
  3. Step 3: Cross multiply
    1,342,819x = 1,853,090.22 × 739,207
  4. Step 4: Simplify right side
    1,342,819x = 1,369,817,262,255.54
  5. Step 5: Solve for x
    x = 1,369,817,262,255.54/1,342,819
  6. Step 6: Final answer
    x = 1,020,105.66

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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.