Home / 1,246,807.85-1,870,212.06-300,178.67

Finding the Fourth Proportional to 1,246,807.85, 1,870,212.06 and 300,178.67

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Solution

The fourth proportional to 1,246,807.85, 1,870,212.06 and 300,178.67 is: 450,268.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,807.85 : 1,870,212.06 = 300,178.67 : x
  2. Step 2: Convert to fraction form
    1,246,807.85/1,870,212.06 = 300,178.67/x
  3. Step 3: Cross multiply
    1,246,807.85x = 1,870,212.06 × 300,178.67
  4. Step 4: Simplify right side
    1,246,807.85x = 561,397,759,437.70
  5. Step 5: Solve for x
    x = 561,397,759,437.70/1,246,807.85
  6. Step 6: Final answer
    x = 450,268.07

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1.5x scale

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.