Home / 1,087,461.12-1,630,293.63-479,816.82

Finding the Fourth Proportional to 1,087,461.12, 1,630,293.63 and 479,816.82

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Solution

The fourth proportional to 1,087,461.12, 1,630,293.63 and 479,816.82 is: 719,328.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,461.12 : 1,630,293.63 = 479,816.82 : x
  2. Step 2: Convert to fraction form
    1,087,461.12/1,630,293.63 = 479,816.82/x
  3. Step 3: Cross multiply
    1,087,461.12x = 1,630,293.63 × 479,816.82
  4. Step 4: Simplify right side
    1,087,461.12x = 782,242,305,212.86
  5. Step 5: Solve for x
    x = 782,242,305,212.86/1,087,461.12
  6. Step 6: Final answer
    x = 719,328.99

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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.