Home / 999,596.40-1,499,472.36-289,634.64

Finding the Fourth Proportional to 999,596.40, 1,499,472.36 and 289,634.64

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Solution

The fourth proportional to 999,596.40, 1,499,472.36 and 289,634.64 is: 434,474.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,596.40 : 1,499,472.36 = 289,634.64 : x
  2. Step 2: Convert to fraction form
    999,596.40/1,499,472.36 = 289,634.64/x
  3. Step 3: Cross multiply
    999,596.40x = 1,499,472.36 × 289,634.64
  4. Step 4: Simplify right side
    999,596.40x = 434,299,137,178.55
  5. Step 5: Solve for x
    x = 434,299,137,178.55/999,596.40
  6. Step 6: Final answer
    x = 434,474.49

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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.