Home / 1,312,299.70-1,810,973.59-708,687.70

Finding the Fourth Proportional to 1,312,299.70, 1,810,973.59 and 708,687.70

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Solution

The fourth proportional to 1,312,299.70, 1,810,973.59 and 708,687.70 is: 977,989.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,299.70 : 1,810,973.59 = 708,687.70 : x
  2. Step 2: Convert to fraction form
    1,312,299.70/1,810,973.59 = 708,687.70/x
  3. Step 3: Cross multiply
    1,312,299.70x = 1,810,973.59 × 708,687.70
  4. Step 4: Simplify right side
    1,312,299.70x = 1,283,414,701,958.69
  5. Step 5: Solve for x
    x = 1,283,414,701,958.69/1,312,299.70
  6. Step 6: Final answer
    x = 977,989.03

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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.