Home / 1,318,702.52-1,820,164.29-775,202.51

Finding the Fourth Proportional to 1,318,702.52, 1,820,164.29 and 775,202.51

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Solution

The fourth proportional to 1,318,702.52, 1,820,164.29 and 775,202.51 is: 1,069,988.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,702.52 : 1,820,164.29 = 775,202.51 : x
  2. Step 2: Convert to fraction form
    1,318,702.52/1,820,164.29 = 775,202.51/x
  3. Step 3: Cross multiply
    1,318,702.52x = 1,820,164.29 × 775,202.51
  4. Step 4: Simplify right side
    1,318,702.52x = 1,410,995,926,220.37
  5. Step 5: Solve for x
    x = 1,410,995,926,220.37/1,318,702.52
  6. Step 6: Final answer
    x = 1,069,988.04

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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.