Home / 1,226,011.47-1,839,027.45-427,291.72

Finding the Fourth Proportional to 1,226,011.47, 1,839,027.45 and 427,291.72

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Solution

The fourth proportional to 1,226,011.47, 1,839,027.45 and 427,291.72 is: 640,941.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,011.47 : 1,839,027.45 = 427,291.72 : x
  2. Step 2: Convert to fraction form
    1,226,011.47/1,839,027.45 = 427,291.72/x
  3. Step 3: Cross multiply
    1,226,011.47x = 1,839,027.45 × 427,291.72
  4. Step 4: Simplify right side
    1,226,011.47x = 785,801,202,237.71
  5. Step 5: Solve for x
    x = 785,801,202,237.71/1,226,011.47
  6. Step 6: Final answer
    x = 640,941.15

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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.