Home / 1,072,988.70-1,609,483.05-408,054.30

Finding the Fourth Proportional to 1,072,988.70, 1,609,483.05 and 408,054.30

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Solution

The fourth proportional to 1,072,988.70, 1,609,483.05 and 408,054.30 is: 612,081.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,988.70 : 1,609,483.05 = 408,054.30 : x
  2. Step 2: Convert to fraction form
    1,072,988.70/1,609,483.05 = 408,054.30/x
  3. Step 3: Cross multiply
    1,072,988.70x = 1,609,483.05 × 408,054.30
  4. Step 4: Simplify right side
    1,072,988.70x = 656,756,479,329.62
  5. Step 5: Solve for x
    x = 656,756,479,329.62/1,072,988.70
  6. Step 6: Final answer
    x = 612,081.45

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Double scale
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Similar ratio
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1.5x scale

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.