Home / 1,100,661.93-1,516,856.70-858,561.03

Finding the Fourth Proportional to 1,100,661.93, 1,516,856.70 and 858,561.03

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Solution

The fourth proportional to 1,100,661.93, 1,516,856.70 and 858,561.03 is: 1,183,209.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,661.93 : 1,516,856.70 = 858,561.03 : x
  2. Step 2: Convert to fraction form
    1,100,661.93/1,516,856.70 = 858,561.03/x
  3. Step 3: Cross multiply
    1,100,661.93x = 1,516,856.70 × 858,561.03
  4. Step 4: Simplify right side
    1,100,661.93x = 1,302,314,050,714.40
  5. Step 5: Solve for x
    x = 1,302,314,050,714.40/1,100,661.93
  6. Step 6: Final answer
    x = 1,183,209.86

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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.