Home / 1,130,028.37-1,558,997.48-646,335.05

Finding the Fourth Proportional to 1,130,028.37, 1,558,997.48 and 646,335.05

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Solution

The fourth proportional to 1,130,028.37, 1,558,997.48 and 646,335.05 is: 891,689.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,028.37 : 1,558,997.48 = 646,335.05 : x
  2. Step 2: Convert to fraction form
    1,130,028.37/1,558,997.48 = 646,335.05/x
  3. Step 3: Cross multiply
    1,130,028.37x = 1,558,997.48 × 646,335.05
  4. Step 4: Simplify right side
    1,130,028.37x = 1,007,634,708,006.52
  5. Step 5: Solve for x
    x = 1,007,634,708,006.52/1,130,028.37
  6. Step 6: Final answer
    x = 891,689.75

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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.