Home / 1,226,010.47-1,839,025.95-427,290.72

Finding the Fourth Proportional to 1,226,010.47, 1,839,025.95 and 427,290.72

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Solution

The fourth proportional to 1,226,010.47, 1,839,025.95 and 427,290.72 is: 640,939.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,010.47 : 1,839,025.95 = 427,290.72 : x
  2. Step 2: Convert to fraction form
    1,226,010.47/1,839,025.95 = 427,290.72/x
  3. Step 3: Cross multiply
    1,226,010.47x = 1,839,025.95 × 427,290.72
  4. Step 4: Simplify right side
    1,226,010.47x = 785,798,722,274.18
  5. Step 5: Solve for x
    x = 785,798,722,274.18/1,226,010.47
  6. Step 6: Final answer
    x = 640,939.65

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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.