Home / 1,207,685.93-1,811,527.72-309,126.23

Finding the Fourth Proportional to 1,207,685.93, 1,811,527.72 and 309,126.23

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Solution

The fourth proportional to 1,207,685.93, 1,811,527.72 and 309,126.23 is: 463,689.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,685.93 : 1,811,527.72 = 309,126.23 : x
  2. Step 2: Convert to fraction form
    1,207,685.93/1,811,527.72 = 309,126.23/x
  3. Step 3: Cross multiply
    1,207,685.93x = 1,811,527.72 × 309,126.23
  4. Step 4: Simplify right side
    1,207,685.93x = 559,990,733,325.71
  5. Step 5: Solve for x
    x = 559,990,733,325.71/1,207,685.93
  6. Step 6: Final answer
    x = 463,689.05

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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.