Home / 1,260,450.48-1,739,568.72-716,667.75

Finding the Fourth Proportional to 1,260,450.48, 1,739,568.72 and 716,667.75

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Solution

The fourth proportional to 1,260,450.48, 1,739,568.72 and 716,667.75 is: 989,085.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,450.48 : 1,739,568.72 = 716,667.75 : x
  2. Step 2: Convert to fraction form
    1,260,450.48/1,739,568.72 = 716,667.75/x
  3. Step 3: Cross multiply
    1,260,450.48x = 1,739,568.72 × 716,667.75
  4. Step 4: Simplify right side
    1,260,450.48x = 1,246,692,803,220.28
  5. Step 5: Solve for x
    x = 1,246,692,803,220.28/1,260,450.48
  6. Step 6: Final answer
    x = 989,085.11

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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.