Home / 899,096.05-1,238,226.64-879,500.53

Finding the Fourth Proportional to 899,096.05, 1,238,226.64 and 879,500.53

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Solution

The fourth proportional to 899,096.05, 1,238,226.64 and 879,500.53 is: 1,211,239.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,096.05 : 1,238,226.64 = 879,500.53 : x
  2. Step 2: Convert to fraction form
    899,096.05/1,238,226.64 = 879,500.53/x
  3. Step 3: Cross multiply
    899,096.05x = 1,238,226.64 × 879,500.53
  4. Step 4: Simplify right side
    899,096.05x = 1,089,020,986,140.12
  5. Step 5: Solve for x
    x = 1,089,020,986,140.12/899,096.05
  6. Step 6: Final answer
    x = 1,211,239.87

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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.