Home / 1,312,317.58-1,810,998.27-708,705.58

Finding the Fourth Proportional to 1,312,317.58, 1,810,998.27 and 708,705.58

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Solution

The fourth proportional to 1,312,317.58, 1,810,998.27 and 708,705.58 is: 978,013.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,317.58 : 1,810,998.27 = 708,705.58 : x
  2. Step 2: Convert to fraction form
    1,312,317.58/1,810,998.27 = 708,705.58/x
  3. Step 3: Cross multiply
    1,312,317.58x = 1,810,998.27 × 708,705.58
  4. Step 4: Simplify right side
    1,312,317.58x = 1,283,464,579,319.35
  5. Step 5: Solve for x
    x = 1,283,464,579,319.35/1,312,317.58
  6. Step 6: Final answer
    x = 978,013.71

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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.