Home / 1,010,716.81-1,394,790.11-558,007.81

Finding the Fourth Proportional to 1,010,716.81, 1,394,790.11 and 558,007.81

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Solution

The fourth proportional to 1,010,716.81, 1,394,790.11 and 558,007.81 is: 770,051.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,716.81 : 1,394,790.11 = 558,007.81 : x
  2. Step 2: Convert to fraction form
    1,010,716.81/1,394,790.11 = 558,007.81/x
  3. Step 3: Cross multiply
    1,010,716.81x = 1,394,790.11 × 558,007.81
  4. Step 4: Simplify right side
    1,010,716.81x = 778,303,774,690.76
  5. Step 5: Solve for x
    x = 778,303,774,690.76/1,010,716.81
  6. Step 6: Final answer
    x = 770,051.28

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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.