Home / 1,087,054.40-1,630,581.60-682,896.80

Finding the Fourth Proportional to 1,087,054.40, 1,630,581.60 and 682,896.80

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Solution

The fourth proportional to 1,087,054.40, 1,630,581.60 and 682,896.80 is: 1,024,345.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,054.40 : 1,630,581.60 = 682,896.80 : x
  2. Step 2: Convert to fraction form
    1,087,054.40/1,630,581.60 = 682,896.80/x
  3. Step 3: Cross multiply
    1,087,054.40x = 1,630,581.60 × 682,896.80
  4. Step 4: Simplify right side
    1,087,054.40x = 1,113,518,956,778.88
  5. Step 5: Solve for x
    x = 1,113,518,956,778.88/1,087,054.40
  6. Step 6: Final answer
    x = 1,024,345.20

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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.