Home / 1,010,642.64-1,515,164.28-379,486.16

Finding the Fourth Proportional to 1,010,642.64, 1,515,164.28 and 379,486.16

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Solution

The fourth proportional to 1,010,642.64, 1,515,164.28 and 379,486.16 is: 568,928.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,642.64 : 1,515,164.28 = 379,486.16 : x
  2. Step 2: Convert to fraction form
    1,010,642.64/1,515,164.28 = 379,486.16/x
  3. Step 3: Cross multiply
    1,010,642.64x = 1,515,164.28 × 379,486.16
  4. Step 4: Simplify right side
    1,010,642.64x = 574,983,874,386.37
  5. Step 5: Solve for x
    x = 574,983,874,386.37/1,010,642.64
  6. Step 6: Final answer
    x = 568,928.97

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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.