Home / 1,455,172.02-2,008,199.52-810,592.65

Finding the Fourth Proportional to 1,455,172.02, 2,008,199.52 and 810,592.65

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Solution

The fourth proportional to 1,455,172.02, 2,008,199.52 and 810,592.65 is: 1,118,652.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,172.02 : 2,008,199.52 = 810,592.65 : x
  2. Step 2: Convert to fraction form
    1,455,172.02/2,008,199.52 = 810,592.65/x
  3. Step 3: Cross multiply
    1,455,172.02x = 2,008,199.52 × 810,592.65
  4. Step 4: Simplify right side
    1,455,172.02x = 1,627,831,770,645.53
  5. Step 5: Solve for x
    x = 1,627,831,770,645.53/1,455,172.02
  6. Step 6: Final answer
    x = 1,118,652.47

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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.