Home / 1,455,178.65-2,008,208.66-810,599.28

Finding the Fourth Proportional to 1,455,178.65, 2,008,208.66 and 810,599.28

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Solution

The fourth proportional to 1,455,178.65, 2,008,208.66 and 810,599.28 is: 1,118,661.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,178.65 : 2,008,208.66 = 810,599.28 : x
  2. Step 2: Convert to fraction form
    1,455,178.65/2,008,208.66 = 810,599.28/x
  3. Step 3: Cross multiply
    1,455,178.65x = 2,008,208.66 × 810,599.28
  4. Step 4: Simplify right side
    1,455,178.65x = 1,627,852,493,885.77
  5. Step 5: Solve for x
    x = 1,627,852,493,885.77/1,455,178.65
  6. Step 6: Final answer
    x = 1,118,661.61

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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.