Home / 1,490,914.54-2,057,548.67-1,122,732.55

Finding the Fourth Proportional to 1,490,914.54, 2,057,548.67 and 1,122,732.55

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Solution

The fourth proportional to 1,490,914.54, 2,057,548.67 and 1,122,732.55 is: 1,549,436.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,914.54 : 2,057,548.67 = 1,122,732.55 : x
  2. Step 2: Convert to fraction form
    1,490,914.54/2,057,548.67 = 1,122,732.55/x
  3. Step 3: Cross multiply
    1,490,914.54x = 2,057,548.67 × 1,122,732.55
  4. Step 4: Simplify right side
    1,490,914.54x = 2,310,076,865,018.21
  5. Step 5: Solve for x
    x = 2,310,076,865,018.21/1,490,914.54
  6. Step 6: Final answer
    x = 1,549,436.14

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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.