Home / 1,431,588.02-2,147,732.67-712,269.14

Finding the Fourth Proportional to 1,431,588.02, 2,147,732.67 and 712,269.14

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Solution

The fourth proportional to 1,431,588.02, 2,147,732.67 and 712,269.14 is: 1,068,578.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,588.02 : 2,147,732.67 = 712,269.14 : x
  2. Step 2: Convert to fraction form
    1,431,588.02/2,147,732.67 = 712,269.14/x
  3. Step 3: Cross multiply
    1,431,588.02x = 2,147,732.67 × 712,269.14
  4. Step 4: Simplify right side
    1,431,588.02x = 1,529,763,701,810.80
  5. Step 5: Solve for x
    x = 1,529,763,701,810.80/1,431,588.02
  6. Step 6: Final answer
    x = 1,068,578.17

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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.