Home / 1,089,557.32-1,502,974.74-653,863.24

Finding the Fourth Proportional to 1,089,557.32, 1,502,974.74 and 653,863.24

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Solution

The fourth proportional to 1,089,557.32, 1,502,974.74 and 653,863.24 is: 901,962.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,557.32 : 1,502,974.74 = 653,863.24 : x
  2. Step 2: Convert to fraction form
    1,089,557.32/1,502,974.74 = 653,863.24/x
  3. Step 3: Cross multiply
    1,089,557.32x = 1,502,974.74 × 653,863.24
  4. Step 4: Simplify right side
    1,089,557.32x = 982,739,933,134.56
  5. Step 5: Solve for x
    x = 982,739,933,134.56/1,089,557.32
  6. Step 6: Final answer
    x = 901,962.58

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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.