Home / 1,447,509.40-2,170,633.29-487,786.14

Finding the Fourth Proportional to 1,447,509.40, 2,170,633.29 and 487,786.14

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Solution

The fourth proportional to 1,447,509.40, 2,170,633.29 and 487,786.14 is: 731,466.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,509.40 : 2,170,633.29 = 487,786.14 : x
  2. Step 2: Convert to fraction form
    1,447,509.40/2,170,633.29 = 487,786.14/x
  3. Step 3: Cross multiply
    1,447,509.40x = 2,170,633.29 × 487,786.14
  4. Step 4: Simplify right side
    1,447,509.40x = 1,058,804,832,055.40
  5. Step 5: Solve for x
    x = 1,058,804,832,055.40/1,447,509.40
  6. Step 6: Final answer
    x = 731,466.64

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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.