Home / 1,089,779.34-1,503,902.98-606,364.86

Finding the Fourth Proportional to 1,089,779.34, 1,503,902.98 and 606,364.86

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Solution

The fourth proportional to 1,089,779.34, 1,503,902.98 and 606,364.86 is: 836,787.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,779.34 : 1,503,902.98 = 606,364.86 : x
  2. Step 2: Convert to fraction form
    1,089,779.34/1,503,902.98 = 606,364.86/x
  3. Step 3: Cross multiply
    1,089,779.34x = 1,503,902.98 × 606,364.86
  4. Step 4: Simplify right side
    1,089,779.34x = 911,913,919,921.28
  5. Step 5: Solve for x
    x = 911,913,919,921.28/1,089,779.34
  6. Step 6: Final answer
    x = 836,787.67

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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.