Home / 1,888,455.66-2,605,987.35-1,072,656.87

Finding the Fourth Proportional to 1,888,455.66, 2,605,987.35 and 1,072,656.87

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Solution

The fourth proportional to 1,888,455.66, 2,605,987.35 and 1,072,656.87 is: 1,480,220.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,455.66 : 2,605,987.35 = 1,072,656.87 : x
  2. Step 2: Convert to fraction form
    1,888,455.66/2,605,987.35 = 1,072,656.87/x
  3. Step 3: Cross multiply
    1,888,455.66x = 2,605,987.35 × 1,072,656.87
  4. Step 4: Simplify right side
    1,888,455.66x = 2,795,330,234,110.59
  5. Step 5: Solve for x
    x = 2,795,330,234,110.59/1,888,455.66
  6. Step 6: Final answer
    x = 1,480,220.21

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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.