Home / 679,386.52-1,019,078.58-180,750.52

Finding the Fourth Proportional to 679,386.52, 1,019,078.58 and 180,750.52

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Solution

The fourth proportional to 679,386.52, 1,019,078.58 and 180,750.52 is: 271,125.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,386.52 : 1,019,078.58 = 180,750.52 : x
  2. Step 2: Convert to fraction form
    679,386.52/1,019,078.58 = 180,750.52/x
  3. Step 3: Cross multiply
    679,386.52x = 1,019,078.58 × 180,750.52
  4. Step 4: Simplify right side
    679,386.52x = 184,198,983,255.86
  5. Step 5: Solve for x
    x = 184,198,983,255.86/679,386.52
  6. Step 6: Final answer
    x = 271,125.46

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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.