Home / 1,301,904.90-1,954,009.35-768,759.30

Finding the Fourth Proportional to 1,301,904.90, 1,954,009.35 and 768,759.30

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Solution

The fourth proportional to 1,301,904.90, 1,954,009.35 and 768,759.30 is: 1,153,819.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,904.90 : 1,954,009.35 = 768,759.30 : x
  2. Step 2: Convert to fraction form
    1,301,904.90/1,954,009.35 = 768,759.30/x
  3. Step 3: Cross multiply
    1,301,904.90x = 1,954,009.35 × 768,759.30
  4. Step 4: Simplify right side
    1,301,904.90x = 1,502,162,860,099.46
  5. Step 5: Solve for x
    x = 1,502,162,860,099.46/1,301,904.90
  6. Step 6: Final answer
    x = 1,153,819.19

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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.