Home / 1,181,278.64-1,771,943.07-423,169.40

Finding the Fourth Proportional to 1,181,278.64, 1,771,943.07 and 423,169.40

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Solution

The fourth proportional to 1,181,278.64, 1,771,943.07 and 423,169.40 is: 634,763.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,278.64 : 1,771,943.07 = 423,169.40 : x
  2. Step 2: Convert to fraction form
    1,181,278.64/1,771,943.07 = 423,169.40/x
  3. Step 3: Cross multiply
    1,181,278.64x = 1,771,943.07 × 423,169.40
  4. Step 4: Simplify right side
    1,181,278.64x = 749,832,076,906.34
  5. Step 5: Solve for x
    x = 749,832,076,906.34/1,181,278.64
  6. Step 6: Final answer
    x = 634,763.09

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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.