Home / 1,176,005.10-1,764,007.65-289,541.10

Finding the Fourth Proportional to 1,176,005.10, 1,764,007.65 and 289,541.10

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Solution

The fourth proportional to 1,176,005.10, 1,764,007.65 and 289,541.10 is: 434,311.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,005.10 : 1,764,007.65 = 289,541.10 : x
  2. Step 2: Convert to fraction form
    1,176,005.10/1,764,007.65 = 289,541.10/x
  3. Step 3: Cross multiply
    1,176,005.10x = 1,764,007.65 × 289,541.10
  4. Step 4: Simplify right side
    1,176,005.10x = 510,752,715,389.42
  5. Step 5: Solve for x
    x = 510,752,715,389.42/1,176,005.10
  6. Step 6: Final answer
    x = 434,311.65

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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.