Home / 1,086,907.64-1,499,975.70-628,007

Finding the Fourth Proportional to 1,086,907.64, 1,499,975.70 and 628,007

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Solution

The fourth proportional to 1,086,907.64, 1,499,975.70 and 628,007 is: 866,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,907.64 : 1,499,975.70 = 628,007 : x
  2. Step 2: Convert to fraction form
    1,086,907.64/1,499,975.70 = 628,007/x
  3. Step 3: Cross multiply
    1,086,907.64x = 1,499,975.70 × 628,007
  4. Step 4: Simplify right side
    1,086,907.64x = 941,995,239,429.90
  5. Step 5: Solve for x
    x = 941,995,239,429.90/1,086,907.64
  6. Step 6: Final answer
    x = 866,674.60

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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.