Home / 1,369,719.09-1,890,268.02-757,861.89

Finding the Fourth Proportional to 1,369,719.09, 1,890,268.02 and 757,861.89

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Solution

The fourth proportional to 1,369,719.09, 1,890,268.02 and 757,861.89 is: 1,045,880.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,719.09 : 1,890,268.02 = 757,861.89 : x
  2. Step 2: Convert to fraction form
    1,369,719.09/1,890,268.02 = 757,861.89/x
  3. Step 3: Cross multiply
    1,369,719.09x = 1,890,268.02 × 757,861.89
  4. Step 4: Simplify right side
    1,369,719.09x = 1,432,562,094,243.76
  5. Step 5: Solve for x
    x = 1,432,562,094,243.76/1,369,719.09
  6. Step 6: Final answer
    x = 1,045,880.21

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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.