Home / 1,114,676.36-1,538,053.62-662,078.60

Finding the Fourth Proportional to 1,114,676.36, 1,538,053.62 and 662,078.60

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Solution

The fourth proportional to 1,114,676.36, 1,538,053.62 and 662,078.60 is: 913,549.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,676.36 : 1,538,053.62 = 662,078.60 : x
  2. Step 2: Convert to fraction form
    1,114,676.36/1,538,053.62 = 662,078.60/x
  3. Step 3: Cross multiply
    1,114,676.36x = 1,538,053.62 × 662,078.60
  4. Step 4: Simplify right side
    1,114,676.36x = 1,018,312,387,454.53
  5. Step 5: Solve for x
    x = 1,018,312,387,454.53/1,114,676.36
  6. Step 6: Final answer
    x = 913,549.82

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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.