Home / 1,100,520.10-1,648,015.35-879,336.10

Finding the Fourth Proportional to 1,100,520.10, 1,648,015.35 and 879,336.10

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Solution

The fourth proportional to 1,100,520.10, 1,648,015.35 and 879,336.10 is: 1,316,795.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,520.10 : 1,648,015.35 = 879,336.10 : x
  2. Step 2: Convert to fraction form
    1,100,520.10/1,648,015.35 = 879,336.10/x
  3. Step 3: Cross multiply
    1,100,520.10x = 1,648,015.35 × 879,336.10
  4. Step 4: Simplify right side
    1,100,520.10x = 1,449,159,390,609.14
  5. Step 5: Solve for x
    x = 1,449,159,390,609.14/1,100,520.10
  6. Step 6: Final answer
    x = 1,316,795.02

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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.