Home / 1,089,715.88-1,634,557.42-490,253.72

Finding the Fourth Proportional to 1,089,715.88, 1,634,557.42 and 490,253.72

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Solution

The fourth proportional to 1,089,715.88, 1,634,557.42 and 490,253.72 is: 735,373.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,715.88 : 1,634,557.42 = 490,253.72 : x
  2. Step 2: Convert to fraction form
    1,089,715.88/1,634,557.42 = 490,253.72/x
  3. Step 3: Cross multiply
    1,089,715.88x = 1,634,557.42 × 490,253.72
  4. Step 4: Simplify right side
    1,089,715.88x = 801,347,848,148.63
  5. Step 5: Solve for x
    x = 801,347,848,148.63/1,089,715.88
  6. Step 6: Final answer
    x = 735,373.19

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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.