Home / 1,011,949.91-1,518,345.61-443,038.11

Finding the Fourth Proportional to 1,011,949.91, 1,518,345.61 and 443,038.11

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Solution

The fourth proportional to 1,011,949.91, 1,518,345.61 and 443,038.11 is: 664,741.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,949.91 : 1,518,345.61 = 443,038.11 : x
  2. Step 2: Convert to fraction form
    1,011,949.91/1,518,345.61 = 443,038.11/x
  3. Step 3: Cross multiply
    1,011,949.91x = 1,518,345.61 × 443,038.11
  4. Step 4: Simplify right side
    1,011,949.91x = 672,684,962,579.81
  5. Step 5: Solve for x
    x = 672,684,962,579.81/1,011,949.91
  6. Step 6: Final answer
    x = 664,741.36

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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.