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Finding the Fourth Proportional to 1,757,513, 2,636,270.04 and 427,817

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Solution

The fourth proportional to 1,757,513, 2,636,270.04 and 427,817 is: 641,725.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757,513 : 2,636,270.04 = 427,817 : x
  2. Step 2: Convert to fraction form
    1,757,513/2,636,270.04 = 427,817/x
  3. Step 3: Cross multiply
    1,757,513x = 2,636,270.04 × 427,817
  4. Step 4: Simplify right side
    1,757,513x = 1,127,841,139,702.68
  5. Step 5: Solve for x
    x = 1,127,841,139,702.68/1,757,513
  6. Step 6: Final answer
    x = 641,725.63

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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.