Home / 1,312,316.34-1,810,996.38-708,704.34

Finding the Fourth Proportional to 1,312,316.34, 1,810,996.38 and 708,704.34

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Solution

The fourth proportional to 1,312,316.34, 1,810,996.38 and 708,704.34 is: 978,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,316.34 : 1,810,996.38 = 708,704.34 : x
  2. Step 2: Convert to fraction form
    1,312,316.34/1,810,996.38 = 708,704.34/x
  3. Step 3: Cross multiply
    1,312,316.34x = 1,810,996.38 × 708,704.34
  4. Step 4: Simplify right side
    1,312,316.34x = 1,283,460,994,230.29
  5. Step 5: Solve for x
    x = 1,283,460,994,230.29/1,312,316.34
  6. Step 6: Final answer
    x = 978,011.90

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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.