Home / 1,369,718.54-1,890,267.29-757,861.35

Finding the Fourth Proportional to 1,369,718.54, 1,890,267.29 and 757,861.35

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Solution

The fourth proportional to 1,369,718.54, 1,890,267.29 and 757,861.35 is: 1,045,879.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,718.54 : 1,890,267.29 = 757,861.35 : x
  2. Step 2: Convert to fraction form
    1,369,718.54/1,890,267.29 = 757,861.35/x
  3. Step 3: Cross multiply
    1,369,718.54x = 1,890,267.29 × 757,861.35
  4. Step 4: Simplify right side
    1,369,718.54x = 1,432,560,516,487.38
  5. Step 5: Solve for x
    x = 1,432,560,516,487.38/1,369,718.54
  6. Step 6: Final answer
    x = 1,045,879.48

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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.