Home / 1,118,381.10-1,676,172.69-880,785.42

Finding the Fourth Proportional to 1,118,381.10, 1,676,172.69 and 880,785.42

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Solution

The fourth proportional to 1,118,381.10, 1,676,172.69 and 880,785.42 is: 1,320,076.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,381.10 : 1,676,172.69 = 880,785.42 : x
  2. Step 2: Convert to fraction form
    1,118,381.10/1,676,172.69 = 880,785.42/x
  3. Step 3: Cross multiply
    1,118,381.10x = 1,676,172.69 × 880,785.42
  4. Step 4: Simplify right side
    1,118,381.10x = 1,476,348,466,754.18
  5. Step 5: Solve for x
    x = 1,476,348,466,754.18/1,118,381.10
  6. Step 6: Final answer
    x = 1,320,076.37

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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.