Home / 1,210,924.80-1,671,010.56-666,954.72

Finding the Fourth Proportional to 1,210,924.80, 1,671,010.56 and 666,954.72

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Solution

The fourth proportional to 1,210,924.80, 1,671,010.56 and 666,954.72 is: 920,361.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,924.80 : 1,671,010.56 = 666,954.72 : x
  2. Step 2: Convert to fraction form
    1,210,924.80/1,671,010.56 = 666,954.72/x
  3. Step 3: Cross multiply
    1,210,924.80x = 1,671,010.56 × 666,954.72
  4. Step 4: Simplify right side
    1,210,924.80x = 1,114,488,380,161.84
  5. Step 5: Solve for x
    x = 1,114,488,380,161.84/1,210,924.80
  6. Step 6: Final answer
    x = 920,361.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.