Home / 1,010,019.70-1,515,031.26-808,895

Finding the Fourth Proportional to 1,010,019.70, 1,515,031.26 and 808,895

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Solution

The fourth proportional to 1,010,019.70, 1,515,031.26 and 808,895 is: 1,213,343.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,019.70 : 1,515,031.26 = 808,895 : x
  2. Step 2: Convert to fraction form
    1,010,019.70/1,515,031.26 = 808,895/x
  3. Step 3: Cross multiply
    1,010,019.70x = 1,515,031.26 × 808,895
  4. Step 4: Simplify right side
    1,010,019.70x = 1,225,501,211,057.70
  5. Step 5: Solve for x
    x = 1,225,501,211,057.70/1,010,019.70
  6. Step 6: Final answer
    x = 1,213,343.87

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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.