Home / 946,429.76-1,418,208-693,878.40

Finding the Fourth Proportional to 946,429.76, 1,418,208 and 693,878.40

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Solution

The fourth proportional to 946,429.76, 1,418,208 and 693,878.40 is: 1,039,764.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,429.76 : 1,418,208 = 693,878.40 : x
  2. Step 2: Convert to fraction form
    946,429.76/1,418,208 = 693,878.40/x
  3. Step 3: Cross multiply
    946,429.76x = 1,418,208 × 693,878.40
  4. Step 4: Simplify right side
    946,429.76x = 984,063,897,907.20
  5. Step 5: Solve for x
    x = 984,063,897,907.20/946,429.76
  6. Step 6: Final answer
    x = 1,039,764.32

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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.