Home / 1,240,017.30-1,858,293.98-670,170.16

Finding the Fourth Proportional to 1,240,017.30, 1,858,293.98 and 670,170.16

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Solution

The fourth proportional to 1,240,017.30, 1,858,293.98 and 670,170.16 is: 1,004,319.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,017.30 : 1,858,293.98 = 670,170.16 : x
  2. Step 2: Convert to fraction form
    1,240,017.30/1,858,293.98 = 670,170.16/x
  3. Step 3: Cross multiply
    1,240,017.30x = 1,858,293.98 × 670,170.16
  4. Step 4: Simplify right side
    1,240,017.30x = 1,245,373,173,903.64
  5. Step 5: Solve for x
    x = 1,245,373,173,903.64/1,240,017.30
  6. Step 6: Final answer
    x = 1,004,319.19

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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.