Home / 999,585.72-1,499,378.58-289,614.24

Finding the Fourth Proportional to 999,585.72, 1,499,378.58 and 289,614.24

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Solution

The fourth proportional to 999,585.72, 1,499,378.58 and 289,614.24 is: 434,421.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,585.72 : 1,499,378.58 = 289,614.24 : x
  2. Step 2: Convert to fraction form
    999,585.72/1,499,378.58 = 289,614.24/x
  3. Step 3: Cross multiply
    999,585.72x = 1,499,378.58 × 289,614.24
  4. Step 4: Simplify right side
    999,585.72x = 434,241,387,918.98
  5. Step 5: Solve for x
    x = 434,241,387,918.98/999,585.72
  6. Step 6: Final answer
    x = 434,421.36

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Similar ratio
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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.