Home / 1,010,718.81-1,394,792.87-558,009.81

Finding the Fourth Proportional to 1,010,718.81, 1,394,792.87 and 558,009.81

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Solution

The fourth proportional to 1,010,718.81, 1,394,792.87 and 558,009.81 is: 770,054.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,718.81 : 1,394,792.87 = 558,009.81 : x
  2. Step 2: Convert to fraction form
    1,010,718.81/1,394,792.87 = 558,009.81/x
  3. Step 3: Cross multiply
    1,010,718.81x = 1,394,792.87 × 558,009.81
  4. Step 4: Simplify right side
    1,010,718.81x = 778,308,104,378.06
  5. Step 5: Solve for x
    x = 778,308,104,378.06/1,010,718.81
  6. Step 6: Final answer
    x = 770,054.04

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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.