Home / 1,207,686.93-1,811,529.22-309,127.23

Finding the Fourth Proportional to 1,207,686.93, 1,811,529.22 and 309,127.23

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Solution

The fourth proportional to 1,207,686.93, 1,811,529.22 and 309,127.23 is: 463,690.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,686.93 : 1,811,529.22 = 309,127.23 : x
  2. Step 2: Convert to fraction form
    1,207,686.93/1,811,529.22 = 309,127.23/x
  3. Step 3: Cross multiply
    1,207,686.93x = 1,811,529.22 × 309,127.23
  4. Step 4: Simplify right side
    1,207,686.93x = 559,993,009,842.66
  5. Step 5: Solve for x
    x = 559,993,009,842.66/1,207,686.93
  6. Step 6: Final answer
    x = 463,690.54

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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.