Home / 1,208,971.51-1,813,391.67-367,457.65

Finding the Fourth Proportional to 1,208,971.51, 1,813,391.67 and 367,457.65

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Solution

The fourth proportional to 1,208,971.51, 1,813,391.67 and 367,457.65 is: 551,166.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,971.51 : 1,813,391.67 = 367,457.65 : x
  2. Step 2: Convert to fraction form
    1,208,971.51/1,813,391.67 = 367,457.65/x
  3. Step 3: Cross multiply
    1,208,971.51x = 1,813,391.67 × 367,457.65
  4. Step 4: Simplify right side
    1,208,971.51x = 666,344,641,587.78
  5. Step 5: Solve for x
    x = 666,344,641,587.78/1,208,971.51
  6. Step 6: Final answer
    x = 551,166.54

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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.