Home / 1,478,448.44-2,219,714.91-1,021,915.07

Finding the Fourth Proportional to 1,478,448.44, 2,219,714.91 and 1,021,915.07

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Solution

The fourth proportional to 1,478,448.44, 2,219,714.91 and 1,021,915.07 is: 1,534,284.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,448.44 : 2,219,714.91 = 1,021,915.07 : x
  2. Step 2: Convert to fraction form
    1,478,448.44/2,219,714.91 = 1,021,915.07/x
  3. Step 3: Cross multiply
    1,478,448.44x = 2,219,714.91 × 1,021,915.07
  4. Step 4: Simplify right side
    1,478,448.44x = 2,268,360,106,534.12
  5. Step 5: Solve for x
    x = 2,268,360,106,534.12/1,478,448.44
  6. Step 6: Final answer
    x = 1,534,284.22

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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.