Home / 1,500,231.75-2,070,332.72-855,684.57

Finding the Fourth Proportional to 1,500,231.75, 2,070,332.72 and 855,684.57

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Solution

The fourth proportional to 1,500,231.75, 2,070,332.72 and 855,684.57 is: 1,180,852.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,231.75 : 2,070,332.72 = 855,684.57 : x
  2. Step 2: Convert to fraction form
    1,500,231.75/2,070,332.72 = 855,684.57/x
  3. Step 3: Cross multiply
    1,500,231.75x = 2,070,332.72 × 855,684.57
  4. Step 4: Simplify right side
    1,500,231.75x = 1,771,551,769,964.27
  5. Step 5: Solve for x
    x = 1,771,551,769,964.27/1,500,231.75
  6. Step 6: Final answer
    x = 1,180,852.07

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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.