Home / 1,230,973.34-1,699,026.64-721,839.74

Finding the Fourth Proportional to 1,230,973.34, 1,699,026.64 and 721,839.74

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Solution

The fourth proportional to 1,230,973.34, 1,699,026.64 and 721,839.74 is: 996,305.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,973.34 : 1,699,026.64 = 721,839.74 : x
  2. Step 2: Convert to fraction form
    1,230,973.34/1,699,026.64 = 721,839.74/x
  3. Step 3: Cross multiply
    1,230,973.34x = 1,699,026.64 × 721,839.74
  4. Step 4: Simplify right side
    1,230,973.34x = 1,226,424,937,770.94
  5. Step 5: Solve for x
    x = 1,226,424,937,770.94/1,230,973.34
  6. Step 6: Final answer
    x = 996,305.04

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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.