Home / 1,098,949.68-1,516,879.71-669,441.98

Finding the Fourth Proportional to 1,098,949.68, 1,516,879.71 and 669,441.98

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Solution

The fourth proportional to 1,098,949.68, 1,516,879.71 and 669,441.98 is: 924,030.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,949.68 : 1,516,879.71 = 669,441.98 : x
  2. Step 2: Convert to fraction form
    1,098,949.68/1,516,879.71 = 669,441.98/x
  3. Step 3: Cross multiply
    1,098,949.68x = 1,516,879.71 × 669,441.98
  4. Step 4: Simplify right side
    1,098,949.68x = 1,015,462,960,276.43
  5. Step 5: Solve for x
    x = 1,015,462,960,276.43/1,098,949.68
  6. Step 6: Final answer
    x = 924,030.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.