Home / 1,021,988.85-1,410,376.57-586,485.87

Finding the Fourth Proportional to 1,021,988.85, 1,410,376.57 and 586,485.87

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Solution

The fourth proportional to 1,021,988.85, 1,410,376.57 and 586,485.87 is: 809,368.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,988.85 : 1,410,376.57 = 586,485.87 : x
  2. Step 2: Convert to fraction form
    1,021,988.85/1,410,376.57 = 586,485.87/x
  3. Step 3: Cross multiply
    1,021,988.85x = 1,410,376.57 × 586,485.87
  4. Step 4: Simplify right side
    1,021,988.85x = 827,165,922,928.94
  5. Step 5: Solve for x
    x = 827,165,922,928.94/1,021,988.85
  6. Step 6: Final answer
    x = 809,368.84

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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.