Home / 1,213,495.72-1,819,575.42-465,617.32

Finding the Fourth Proportional to 1,213,495.72, 1,819,575.42 and 465,617.32

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Solution

The fourth proportional to 1,213,495.72, 1,819,575.42 and 465,617.32 is: 698,169.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,495.72 : 1,819,575.42 = 465,617.32 : x
  2. Step 2: Convert to fraction form
    1,213,495.72/1,819,575.42 = 465,617.32/x
  3. Step 3: Cross multiply
    1,213,495.72x = 1,819,575.42 × 465,617.32
  4. Step 4: Simplify right side
    1,213,495.72x = 847,225,830,598.27
  5. Step 5: Solve for x
    x = 847,225,830,598.27/1,213,495.72
  6. Step 6: Final answer
    x = 698,169.61

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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.