Home / 1,230,975.06-1,699,029-721,841.46

Finding the Fourth Proportional to 1,230,975.06, 1,699,029 and 721,841.46

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Solution

The fourth proportional to 1,230,975.06, 1,699,029 and 721,841.46 is: 996,307.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,975.06 : 1,699,029 = 721,841.46 : x
  2. Step 2: Convert to fraction form
    1,230,975.06/1,699,029 = 721,841.46/x
  3. Step 3: Cross multiply
    1,230,975.06x = 1,699,029 × 721,841.46
  4. Step 4: Simplify right side
    1,230,975.06x = 1,226,429,573,942.34
  5. Step 5: Solve for x
    x = 1,226,429,573,942.34/1,230,975.06
  6. Step 6: Final answer
    x = 996,307.41

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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.