Home / 1,112,418.59-1,668,075.78-354,161.31

Finding the Fourth Proportional to 1,112,418.59, 1,668,075.78 and 354,161.31

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Solution

The fourth proportional to 1,112,418.59, 1,668,075.78 and 354,161.31 is: 531,066.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,418.59 : 1,668,075.78 = 354,161.31 : x
  2. Step 2: Convert to fraction form
    1,112,418.59/1,668,075.78 = 354,161.31/x
  3. Step 3: Cross multiply
    1,112,418.59x = 1,668,075.78 × 354,161.31
  4. Step 4: Simplify right side
    1,112,418.59x = 590,767,905,887.66
  5. Step 5: Solve for x
    x = 590,767,905,887.66/1,112,418.59
  6. Step 6: Final answer
    x = 531,066.19

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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.