Home / 1,312,318.10-1,810,998.99-708,706.10

Finding the Fourth Proportional to 1,312,318.10, 1,810,998.99 and 708,706.10

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Solution

The fourth proportional to 1,312,318.10, 1,810,998.99 and 708,706.10 is: 978,014.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,318.10 : 1,810,998.99 = 708,706.10 : x
  2. Step 2: Convert to fraction form
    1,312,318.10/1,810,998.99 = 708,706.10/x
  3. Step 3: Cross multiply
    1,312,318.10x = 1,810,998.99 × 708,706.10
  4. Step 4: Simplify right side
    1,312,318.10x = 1,283,466,022,251.84
  5. Step 5: Solve for x
    x = 1,283,466,022,251.84/1,312,318.10
  6. Step 6: Final answer
    x = 978,014.42

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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.