Home / 1,103,137.58-1,521,892.10-637,905.47

Finding the Fourth Proportional to 1,103,137.58, 1,521,892.10 and 637,905.47

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Solution

The fourth proportional to 1,103,137.58, 1,521,892.10 and 637,905.47 is: 880,056.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,137.58 : 1,521,892.10 = 637,905.47 : x
  2. Step 2: Convert to fraction form
    1,103,137.58/1,521,892.10 = 637,905.47/x
  3. Step 3: Cross multiply
    1,103,137.58x = 1,521,892.10 × 637,905.47
  4. Step 4: Simplify right side
    1,103,137.58x = 970,823,295,339.79
  5. Step 5: Solve for x
    x = 970,823,295,339.79/1,103,137.58
  6. Step 6: Final answer
    x = 880,056.41

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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.