Home / 991,994.67-1,369,059.69-562,228.65

Finding the Fourth Proportional to 991,994.67, 1,369,059.69 and 562,228.65

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Solution

The fourth proportional to 991,994.67, 1,369,059.69 and 562,228.65 is: 775,936.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,994.67 : 1,369,059.69 = 562,228.65 : x
  2. Step 2: Convert to fraction form
    991,994.67/1,369,059.69 = 562,228.65/x
  3. Step 3: Cross multiply
    991,994.67x = 1,369,059.69 × 562,228.65
  4. Step 4: Simplify right side
    991,994.67x = 769,724,581,278.12
  5. Step 5: Solve for x
    x = 769,724,581,278.12/991,994.67
  6. Step 6: Final answer
    x = 775,936.21

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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.