Home / 1,089,389.25-1,503,357.17-612,461.25

Finding the Fourth Proportional to 1,089,389.25, 1,503,357.17 and 612,461.25

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Solution

The fourth proportional to 1,089,389.25, 1,503,357.17 and 612,461.25 is: 845,196.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,389.25 : 1,503,357.17 = 612,461.25 : x
  2. Step 2: Convert to fraction form
    1,089,389.25/1,503,357.17 = 612,461.25/x
  3. Step 3: Cross multiply
    1,089,389.25x = 1,503,357.17 × 612,461.25
  4. Step 4: Simplify right side
    1,089,389.25x = 920,748,008,472.36
  5. Step 5: Solve for x
    x = 920,748,008,472.36/1,089,389.25
  6. Step 6: Final answer
    x = 845,196.53

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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.