Home / 1,312,316.58-1,810,996.89-708,704.58

Finding the Fourth Proportional to 1,312,316.58, 1,810,996.89 and 708,704.58

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Solution

The fourth proportional to 1,312,316.58, 1,810,996.89 and 708,704.58 is: 978,012.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,316.58 : 1,810,996.89 = 708,704.58 : x
  2. Step 2: Convert to fraction form
    1,312,316.58/1,810,996.89 = 708,704.58/x
  3. Step 3: Cross multiply
    1,312,316.58x = 1,810,996.89 × 708,704.58
  4. Step 4: Simplify right side
    1,312,316.58x = 1,283,461,790,308.76
  5. Step 5: Solve for x
    x = 1,283,461,790,308.76/1,312,316.58
  6. Step 6: Final answer
    x = 978,012.33

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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.