Home / 1,211,740.12-1,817,614.50-370,288.36

Finding the Fourth Proportional to 1,211,740.12, 1,817,614.50 and 370,288.36

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Solution

The fourth proportional to 1,211,740.12, 1,817,614.50 and 370,288.36 is: 555,433.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,740.12 : 1,817,614.50 = 370,288.36 : x
  2. Step 2: Convert to fraction form
    1,211,740.12/1,817,614.50 = 370,288.36/x
  3. Step 3: Cross multiply
    1,211,740.12x = 1,817,614.50 × 370,288.36
  4. Step 4: Simplify right side
    1,211,740.12x = 673,041,492,317.22
  5. Step 5: Solve for x
    x = 673,041,492,317.22/1,211,740.12
  6. Step 6: Final answer
    x = 555,433.86

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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.