Home / 1,318,855.40-1,820,020.45-745,883.27

Finding the Fourth Proportional to 1,318,855.40, 1,820,020.45 and 745,883.27

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Solution

The fourth proportional to 1,318,855.40, 1,820,020.45 and 745,883.27 is: 1,029,318.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,855.40 : 1,820,020.45 = 745,883.27 : x
  2. Step 2: Convert to fraction form
    1,318,855.40/1,820,020.45 = 745,883.27/x
  3. Step 3: Cross multiply
    1,318,855.40x = 1,820,020.45 × 745,883.27
  4. Step 4: Simplify right side
    1,318,855.40x = 1,357,522,804,712.87
  5. Step 5: Solve for x
    x = 1,357,522,804,712.87/1,318,855.40
  6. Step 6: Final answer
    x = 1,029,318.91

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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.