Home / 1,377,911.98-1,901,559.73-757,684.94

Finding the Fourth Proportional to 1,377,911.98, 1,901,559.73 and 757,684.94

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Solution

The fourth proportional to 1,377,911.98, 1,901,559.73 and 757,684.94 is: 1,045,627.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,911.98 : 1,901,559.73 = 757,684.94 : x
  2. Step 2: Convert to fraction form
    1,377,911.98/1,901,559.73 = 757,684.94/x
  3. Step 3: Cross multiply
    1,377,911.98x = 1,901,559.73 × 757,684.94
  4. Step 4: Simplify right side
    1,377,911.98x = 1,440,783,169,931.47
  5. Step 5: Solve for x
    x = 1,440,783,169,931.47/1,377,911.98
  6. Step 6: Final answer
    x = 1,045,627.87

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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.