Home / 879,416.60-1,320,291.30-702,123.80

Finding the Fourth Proportional to 879,416.60, 1,320,291.30 and 702,123.80

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Solution

The fourth proportional to 879,416.60, 1,320,291.30 and 702,123.80 is: 1,054,116.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,416.60 : 1,320,291.30 = 702,123.80 : x
  2. Step 2: Convert to fraction form
    879,416.60/1,320,291.30 = 702,123.80/x
  3. Step 3: Cross multiply
    879,416.60x = 1,320,291.30 × 702,123.80
  4. Step 4: Simplify right side
    879,416.60x = 927,007,944,662.94
  5. Step 5: Solve for x
    x = 927,007,944,662.94/879,416.60
  6. Step 6: Final answer
    x = 1,054,116.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.