Home / 999,597.40-1,499,473.86-289,635.64

Finding the Fourth Proportional to 999,597.40, 1,499,473.86 and 289,635.64

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Solution

The fourth proportional to 999,597.40, 1,499,473.86 and 289,635.64 is: 434,475.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,597.40 : 1,499,473.86 = 289,635.64 : x
  2. Step 2: Convert to fraction form
    999,597.40/1,499,473.86 = 289,635.64/x
  3. Step 3: Cross multiply
    999,597.40x = 1,499,473.86 × 289,635.64
  4. Step 4: Simplify right side
    999,597.40x = 434,301,071,104.37
  5. Step 5: Solve for x
    x = 434,301,071,104.37/999,597.40
  6. Step 6: Final answer
    x = 434,475.99

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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.