Home / 1,318,701.12-1,819,883.81-737,919.17

Finding the Fourth Proportional to 1,318,701.12, 1,819,883.81 and 737,919.17

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Solution

The fourth proportional to 1,318,701.12, 1,819,883.81 and 737,919.17 is: 1,018,371.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,701.12 : 1,819,883.81 = 737,919.17 : x
  2. Step 2: Convert to fraction form
    1,318,701.12/1,819,883.81 = 737,919.17/x
  3. Step 3: Cross multiply
    1,318,701.12x = 1,819,883.81 × 737,919.17
  4. Step 4: Simplify right side
    1,318,701.12x = 1,342,927,151,431.75
  5. Step 5: Solve for x
    x = 1,342,927,151,431.75/1,318,701.12
  6. Step 6: Final answer
    x = 1,018,371.13

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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.