Home / 1,087,525.96-1,630,390.74-479,881.60

Finding the Fourth Proportional to 1,087,525.96, 1,630,390.74 and 479,881.60

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Solution

The fourth proportional to 1,087,525.96, 1,630,390.74 and 479,881.60 is: 719,426.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,525.96 : 1,630,390.74 = 479,881.60 : x
  2. Step 2: Convert to fraction form
    1,087,525.96/1,630,390.74 = 479,881.60/x
  3. Step 3: Cross multiply
    1,087,525.96x = 1,630,390.74 × 479,881.60
  4. Step 4: Simplify right side
    1,087,525.96x = 782,394,516,936.38
  5. Step 5: Solve for x
    x = 782,394,516,936.38/1,087,525.96
  6. Step 6: Final answer
    x = 719,426.06

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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.