Home / 1,532,484.02-2,112,618.52-1,072,172.46

Finding the Fourth Proportional to 1,532,484.02, 2,112,618.52 and 1,072,172.46

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Solution

The fourth proportional to 1,532,484.02, 2,112,618.52 and 1,072,172.46 is: 1,478,052.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,484.02 : 2,112,618.52 = 1,072,172.46 : x
  2. Step 2: Convert to fraction form
    1,532,484.02/2,112,618.52 = 1,072,172.46/x
  3. Step 3: Cross multiply
    1,532,484.02x = 2,112,618.52 × 1,072,172.46
  4. Step 4: Simplify right side
    1,532,484.02x = 2,265,091,395,629.96
  5. Step 5: Solve for x
    x = 2,265,091,395,629.96/1,532,484.02
  6. Step 6: Final answer
    x = 1,478,052.21

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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.