Home / 1,213,085.25-1,819,316.39-359,955.18

Finding the Fourth Proportional to 1,213,085.25, 1,819,316.39 and 359,955.18

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Solution

The fourth proportional to 1,213,085.25, 1,819,316.39 and 359,955.18 is: 539,840.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,085.25 : 1,819,316.39 = 359,955.18 : x
  2. Step 2: Convert to fraction form
    1,213,085.25/1,819,316.39 = 359,955.18/x
  3. Step 3: Cross multiply
    1,213,085.25x = 1,819,316.39 × 359,955.18
  4. Step 4: Simplify right side
    1,213,085.25x = 654,872,356,839.62
  5. Step 5: Solve for x
    x = 654,872,356,839.62/1,213,085.25
  6. Step 6: Final answer
    x = 539,840.34

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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.