Home / 1,018,437.10-1,404,858.54-635,799.58

Finding the Fourth Proportional to 1,018,437.10, 1,404,858.54 and 635,799.58

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Solution

The fourth proportional to 1,018,437.10, 1,404,858.54 and 635,799.58 is: 877,038.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,437.10 : 1,404,858.54 = 635,799.58 : x
  2. Step 2: Convert to fraction form
    1,018,437.10/1,404,858.54 = 635,799.58/x
  3. Step 3: Cross multiply
    1,018,437.10x = 1,404,858.54 × 635,799.58
  4. Step 4: Simplify right side
    1,018,437.10x = 893,208,469,691.41
  5. Step 5: Solve for x
    x = 893,208,469,691.41/1,018,437.10
  6. Step 6: Final answer
    x = 877,038.42

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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.