Home / 1,838,861.28-2,758,292.40-509,165.28

Finding the Fourth Proportional to 1,838,861.28, 2,758,292.40 and 509,165.28

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Solution

The fourth proportional to 1,838,861.28, 2,758,292.40 and 509,165.28 is: 763,748.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,861.28 : 2,758,292.40 = 509,165.28 : x
  2. Step 2: Convert to fraction form
    1,838,861.28/2,758,292.40 = 509,165.28/x
  3. Step 3: Cross multiply
    1,838,861.28x = 2,758,292.40 × 509,165.28
  4. Step 4: Simplify right side
    1,838,861.28x = 1,404,426,722,167.87
  5. Step 5: Solve for x
    x = 1,404,426,722,167.87/1,838,861.28
  6. Step 6: Final answer
    x = 763,748.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.