Home / 1,312,808.70-1,969,038.09-366,100.14

Finding the Fourth Proportional to 1,312,808.70, 1,969,038.09 and 366,100.14

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Solution

The fourth proportional to 1,312,808.70, 1,969,038.09 and 366,100.14 is: 549,101.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,808.70 : 1,969,038.09 = 366,100.14 : x
  2. Step 2: Convert to fraction form
    1,312,808.70/1,969,038.09 = 366,100.14/x
  3. Step 3: Cross multiply
    1,312,808.70x = 1,969,038.09 × 366,100.14
  4. Step 4: Simplify right side
    1,312,808.70x = 720,865,120,414.33
  5. Step 5: Solve for x
    x = 720,865,120,414.33/1,312,808.70
  6. Step 6: Final answer
    x = 549,101.42

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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.