Home / 1,054,558.20-1,455,316.92-646,884.84

Finding the Fourth Proportional to 1,054,558.20, 1,455,316.92 and 646,884.84

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Solution

The fourth proportional to 1,054,558.20, 1,455,316.92 and 646,884.84 is: 892,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,558.20 : 1,455,316.92 = 646,884.84 : x
  2. Step 2: Convert to fraction form
    1,054,558.20/1,455,316.92 = 646,884.84/x
  3. Step 3: Cross multiply
    1,054,558.20x = 1,455,316.92 × 646,884.84
  4. Step 4: Simplify right side
    1,054,558.20x = 941,422,452,943.49
  5. Step 5: Solve for x
    x = 941,422,452,943.49/1,054,558.20
  6. Step 6: Final answer
    x = 892,717.40

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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.