Home / 1,210,714.64-1,670,797.49-666,852.42

Finding the Fourth Proportional to 1,210,714.64, 1,670,797.49 and 666,852.42

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Solution

The fourth proportional to 1,210,714.64, 1,670,797.49 and 666,852.42 is: 920,262.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,714.64 : 1,670,797.49 = 666,852.42 : x
  2. Step 2: Convert to fraction form
    1,210,714.64/1,670,797.49 = 666,852.42/x
  3. Step 3: Cross multiply
    1,210,714.64x = 1,670,797.49 × 666,852.42
  4. Step 4: Simplify right side
    1,210,714.64x = 1,114,175,346,202.16
  5. Step 5: Solve for x
    x = 1,114,175,346,202.16/1,210,714.64
  6. Step 6: Final answer
    x = 920,262.56

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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.