Home / 1,179,556.39-1,768,885.02-421,256.26

Finding the Fourth Proportional to 1,179,556.39, 1,768,885.02 and 421,256.26

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Solution

The fourth proportional to 1,179,556.39, 1,768,885.02 and 421,256.26 is: 631,723.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,556.39 : 1,768,885.02 = 421,256.26 : x
  2. Step 2: Convert to fraction form
    1,179,556.39/1,768,885.02 = 421,256.26/x
  3. Step 3: Cross multiply
    1,179,556.39x = 1,768,885.02 × 421,256.26
  4. Step 4: Simplify right side
    1,179,556.39x = 745,153,887,895.23
  5. Step 5: Solve for x
    x = 745,153,887,895.23/1,179,556.39
  6. Step 6: Final answer
    x = 631,723.84

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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.