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Finding the Fourth Proportional to 1,349,894, 1,862,892.60 and 746,320.88

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Solution

The fourth proportional to 1,349,894, 1,862,892.60 and 746,320.88 is: 1,029,944.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,894 : 1,862,892.60 = 746,320.88 : x
  2. Step 2: Convert to fraction form
    1,349,894/1,862,892.60 = 746,320.88/x
  3. Step 3: Cross multiply
    1,349,894x = 1,862,892.60 × 746,320.88
  4. Step 4: Simplify right side
    1,349,894x = 1,390,315,644,577.49
  5. Step 5: Solve for x
    x = 1,390,315,644,577.49/1,349,894
  6. Step 6: Final answer
    x = 1,029,944.31

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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.