Home / 1,379,503.35-1,903,880.30-835,623.18

Finding the Fourth Proportional to 1,379,503.35, 1,903,880.30 and 835,623.18

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Solution

The fourth proportional to 1,379,503.35, 1,903,880.30 and 835,623.18 is: 1,153,260.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,503.35 : 1,903,880.30 = 835,623.18 : x
  2. Step 2: Convert to fraction form
    1,379,503.35/1,903,880.30 = 835,623.18/x
  3. Step 3: Cross multiply
    1,379,503.35x = 1,903,880.30 × 835,623.18
  4. Step 4: Simplify right side
    1,379,503.35x = 1,590,926,510,625.35
  5. Step 5: Solve for x
    x = 1,590,926,510,625.35/1,379,503.35
  6. Step 6: Final answer
    x = 1,153,260.35

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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.