Home / 1,396,302.51-2,094,412.09-385,486.14

Finding the Fourth Proportional to 1,396,302.51, 2,094,412.09 and 385,486.14

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Solution

The fourth proportional to 1,396,302.51, 2,094,412.09 and 385,486.14 is: 578,217.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,302.51 : 2,094,412.09 = 385,486.14 : x
  2. Step 2: Convert to fraction form
    1,396,302.51/2,094,412.09 = 385,486.14/x
  3. Step 3: Cross multiply
    1,396,302.51x = 2,094,412.09 × 385,486.14
  4. Step 4: Simplify right side
    1,396,302.51x = 807,366,832,143.43
  5. Step 5: Solve for x
    x = 807,366,832,143.43/1,396,302.51
  6. Step 6: Final answer
    x = 578,217.70

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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.