Home / 1,379,230.18-1,903,307.85-798,477.93

Finding the Fourth Proportional to 1,379,230.18, 1,903,307.85 and 798,477.93

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Solution

The fourth proportional to 1,379,230.18, 1,903,307.85 and 798,477.93 is: 1,101,882.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,230.18 : 1,903,307.85 = 798,477.93 : x
  2. Step 2: Convert to fraction form
    1,379,230.18/1,903,307.85 = 798,477.93/x
  3. Step 3: Cross multiply
    1,379,230.18x = 1,903,307.85 × 798,477.93
  4. Step 4: Simplify right side
    1,379,230.18x = 1,519,749,312,220.75
  5. Step 5: Solve for x
    x = 1,519,749,312,220.75/1,379,230.18
  6. Step 6: Final answer
    x = 1,101,882.29

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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.