Home / 1,318,285.64-1,819,428.30-834,895.74

Finding the Fourth Proportional to 1,318,285.64, 1,819,428.30 and 834,895.74

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Solution

The fourth proportional to 1,318,285.64, 1,819,428.30 and 834,895.74 is: 1,152,279.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,285.64 : 1,819,428.30 = 834,895.74 : x
  2. Step 2: Convert to fraction form
    1,318,285.64/1,819,428.30 = 834,895.74/x
  3. Step 3: Cross multiply
    1,318,285.64x = 1,819,428.30 × 834,895.74
  4. Step 4: Simplify right side
    1,318,285.64x = 1,519,032,936,905.44
  5. Step 5: Solve for x
    x = 1,519,032,936,905.44/1,318,285.64
  6. Step 6: Final answer
    x = 1,152,279.06

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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.