Home / 1,312,678.50-1,969,349.85-366,049.32

Finding the Fourth Proportional to 1,312,678.50, 1,969,349.85 and 366,049.32

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Solution

The fourth proportional to 1,312,678.50, 1,969,349.85 and 366,049.32 is: 549,166.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,678.50 : 1,969,349.85 = 366,049.32 : x
  2. Step 2: Convert to fraction form
    1,312,678.50/1,969,349.85 = 366,049.32/x
  3. Step 3: Cross multiply
    1,312,678.50x = 1,969,349.85 × 366,049.32
  4. Step 4: Simplify right side
    1,312,678.50x = 720,879,173,434.60
  5. Step 5: Solve for x
    x = 720,879,173,434.60/1,312,678.50
  6. Step 6: Final answer
    x = 549,166.59

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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.