Home / 1,140,137.92-1,572,704.80-752,956.90

Finding the Fourth Proportional to 1,140,137.92, 1,572,704.80 and 752,956.90

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Solution

The fourth proportional to 1,140,137.92, 1,572,704.80 and 752,956.90 is: 1,038,627.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,137.92 : 1,572,704.80 = 752,956.90 : x
  2. Step 2: Convert to fraction form
    1,140,137.92/1,572,704.80 = 752,956.90/x
  3. Step 3: Cross multiply
    1,140,137.92x = 1,572,704.80 × 752,956.90
  4. Step 4: Simplify right side
    1,140,137.92x = 1,184,178,930,823.12
  5. Step 5: Solve for x
    x = 1,184,178,930,823.12/1,140,137.92
  6. Step 6: Final answer
    x = 1,038,627.79

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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.