Home / 1,112,457.13-1,667,696.07-402,327.29

Finding the Fourth Proportional to 1,112,457.13, 1,667,696.07 and 402,327.29

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Solution

The fourth proportional to 1,112,457.13, 1,667,696.07 and 402,327.29 is: 603,133.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,457.13 : 1,667,696.07 = 402,327.29 : x
  2. Step 2: Convert to fraction form
    1,112,457.13/1,667,696.07 = 402,327.29/x
  3. Step 3: Cross multiply
    1,112,457.13x = 1,667,696.07 × 402,327.29
  4. Step 4: Simplify right side
    1,112,457.13x = 670,959,640,386.75
  5. Step 5: Solve for x
    x = 670,959,640,386.75/1,112,457.13
  6. Step 6: Final answer
    x = 603,133.03

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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.