Home / 1,100,779.10-1,649,200.35-931,505.30

Finding the Fourth Proportional to 1,100,779.10, 1,649,200.35 and 931,505.30

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Solution

The fourth proportional to 1,100,779.10, 1,649,200.35 and 931,505.30 is: 1,395,592.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,779.10 : 1,649,200.35 = 931,505.30 : x
  2. Step 2: Convert to fraction form
    1,100,779.10/1,649,200.35 = 931,505.30/x
  3. Step 3: Cross multiply
    1,100,779.10x = 1,649,200.35 × 931,505.30
  4. Step 4: Simplify right side
    1,100,779.10x = 1,536,238,866,786.86
  5. Step 5: Solve for x
    x = 1,536,238,866,786.86/1,100,779.10
  6. Step 6: Final answer
    x = 1,395,592.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.