Home / 1,119,399.30-1,678,114.80-670,298.85

Finding the Fourth Proportional to 1,119,399.30, 1,678,114.80 and 670,298.85

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Solution

The fourth proportional to 1,119,399.30, 1,678,114.80 and 670,298.85 is: 1,004,858.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,399.30 : 1,678,114.80 = 670,298.85 : x
  2. Step 2: Convert to fraction form
    1,119,399.30/1,678,114.80 = 670,298.85/x
  3. Step 3: Cross multiply
    1,119,399.30x = 1,678,114.80 × 670,298.85
  4. Step 4: Simplify right side
    1,119,399.30x = 1,124,838,420,607.98
  5. Step 5: Solve for x
    x = 1,124,838,420,607.98/1,119,399.30
  6. Step 6: Final answer
    x = 1,004,858.96

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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.