Home / 1,396,631.16-2,094,564.41-385,511.40

Finding the Fourth Proportional to 1,396,631.16, 2,094,564.41 and 385,511.40

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Solution

The fourth proportional to 1,396,631.16, 2,094,564.41 and 385,511.40 is: 578,161.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,631.16 : 2,094,564.41 = 385,511.40 : x
  2. Step 2: Convert to fraction form
    1,396,631.16/2,094,564.41 = 385,511.40/x
  3. Step 3: Cross multiply
    1,396,631.16x = 2,094,564.41 × 385,511.40
  4. Step 4: Simplify right side
    1,396,631.16x = 807,478,458,089.27
  5. Step 5: Solve for x
    x = 807,478,458,089.27/1,396,631.16
  6. Step 6: Final answer
    x = 578,161.57

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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.