Home / 1,054,531.20-1,455,279.69-646,857.84

Finding the Fourth Proportional to 1,054,531.20, 1,455,279.69 and 646,857.84

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Solution

The fourth proportional to 1,054,531.20, 1,455,279.69 and 646,857.84 is: 892,680.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,531.20 : 1,455,279.69 = 646,857.84 : x
  2. Step 2: Convert to fraction form
    1,054,531.20/1,455,279.69 = 646,857.84/x
  3. Step 3: Cross multiply
    1,054,531.20x = 1,455,279.69 × 646,857.84
  4. Step 4: Simplify right side
    1,054,531.20x = 941,359,076,869.27
  5. Step 5: Solve for x
    x = 941,359,076,869.27/1,054,531.20
  6. Step 6: Final answer
    x = 892,680.16

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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.