Home / 1,371,243.80-2,056,865.70-662,655.80

Finding the Fourth Proportional to 1,371,243.80, 2,056,865.70 and 662,655.80

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Solution

The fourth proportional to 1,371,243.80, 2,056,865.70 and 662,655.80 is: 993,983.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,243.80 : 2,056,865.70 = 662,655.80 : x
  2. Step 2: Convert to fraction form
    1,371,243.80/2,056,865.70 = 662,655.80/x
  3. Step 3: Cross multiply
    1,371,243.80x = 2,056,865.70 × 662,655.80
  4. Step 4: Simplify right side
    1,371,243.80x = 1,362,993,985,926.06
  5. Step 5: Solve for x
    x = 1,362,993,985,926.06/1,371,243.80
  6. Step 6: Final answer
    x = 993,983.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.