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Finding the Fourth Proportional to 1,362,286, 1,880,013 and 758,674

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Solution

The fourth proportional to 1,362,286, 1,880,013 and 758,674 is: 1,047,002.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,286 : 1,880,013 = 758,674 : x
  2. Step 2: Convert to fraction form
    1,362,286/1,880,013 = 758,674/x
  3. Step 3: Cross multiply
    1,362,286x = 1,880,013 × 758,674
  4. Step 4: Simplify right side
    1,362,286x = 1,426,316,982,762
  5. Step 5: Solve for x
    x = 1,426,316,982,762/1,362,286
  6. Step 6: Final answer
    x = 1,047,002.60

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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.