Home / 1,073,190.22-1,480,679.52-643,313.50

Finding the Fourth Proportional to 1,073,190.22, 1,480,679.52 and 643,313.50

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Solution

The fourth proportional to 1,073,190.22, 1,480,679.52 and 643,313.50 is: 887,579.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,190.22 : 1,480,679.52 = 643,313.50 : x
  2. Step 2: Convert to fraction form
    1,073,190.22/1,480,679.52 = 643,313.50/x
  3. Step 3: Cross multiply
    1,073,190.22x = 1,480,679.52 × 643,313.50
  4. Step 4: Simplify right side
    1,073,190.22x = 952,541,124,389.52
  5. Step 5: Solve for x
    x = 952,541,124,389.52/1,073,190.22
  6. Step 6: Final answer
    x = 887,579.02

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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.