Home / 1,242,880.16-1,863,139.08-792,336.56

Finding the Fourth Proportional to 1,242,880.16, 1,863,139.08 and 792,336.56

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Solution

The fourth proportional to 1,242,880.16, 1,863,139.08 and 792,336.56 is: 1,187,751.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,880.16 : 1,863,139.08 = 792,336.56 : x
  2. Step 2: Convert to fraction form
    1,242,880.16/1,863,139.08 = 792,336.56/x
  3. Step 3: Cross multiply
    1,242,880.16x = 1,863,139.08 × 792,336.56
  4. Step 4: Simplify right side
    1,242,880.16x = 1,476,233,209,448.77
  5. Step 5: Solve for x
    x = 1,476,233,209,448.77/1,242,880.16
  6. Step 6: Final answer
    x = 1,187,751.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.