Home / 1,131,164.02-1,561,041.21-647,885.62

Finding the Fourth Proportional to 1,131,164.02, 1,561,041.21 and 647,885.62

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Solution

The fourth proportional to 1,131,164.02, 1,561,041.21 and 647,885.62 is: 894,102.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,164.02 : 1,561,041.21 = 647,885.62 : x
  2. Step 2: Convert to fraction form
    1,131,164.02/1,561,041.21 = 647,885.62/x
  3. Step 3: Cross multiply
    1,131,164.02x = 1,561,041.21 × 647,885.62
  4. Step 4: Simplify right side
    1,131,164.02x = 1,011,376,152,186.40
  5. Step 5: Solve for x
    x = 1,011,376,152,186.40/1,131,164.02
  6. Step 6: Final answer
    x = 894,102.12

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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.