Home / 1,665,638.86-2,298,589.08-901,692.42

Finding the Fourth Proportional to 1,665,638.86, 2,298,589.08 and 901,692.42

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Solution

The fourth proportional to 1,665,638.86, 2,298,589.08 and 901,692.42 is: 1,244,339.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,638.86 : 2,298,589.08 = 901,692.42 : x
  2. Step 2: Convert to fraction form
    1,665,638.86/2,298,589.08 = 901,692.42/x
  3. Step 3: Cross multiply
    1,665,638.86x = 2,298,589.08 × 901,692.42
  4. Step 4: Simplify right side
    1,665,638.86x = 2,072,620,350,130.77
  5. Step 5: Solve for x
    x = 2,072,620,350,130.77/1,665,638.86
  6. Step 6: Final answer
    x = 1,244,339.57

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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.