Home / 1,328,028.45-1,832,675.45-724,412.13

Finding the Fourth Proportional to 1,328,028.45, 1,832,675.45 and 724,412.13

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Solution

The fourth proportional to 1,328,028.45, 1,832,675.45 and 724,412.13 is: 999,686.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,028.45 : 1,832,675.45 = 724,412.13 : x
  2. Step 2: Convert to fraction form
    1,328,028.45/1,832,675.45 = 724,412.13/x
  3. Step 3: Cross multiply
    1,328,028.45x = 1,832,675.45 × 724,412.13
  4. Step 4: Simplify right side
    1,328,028.45x = 1,327,612,326,333.21
  5. Step 5: Solve for x
    x = 1,327,612,326,333.21/1,328,028.45
  6. Step 6: Final answer
    x = 999,686.66

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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.