Home / 1,478,412.70-2,217,619.05-1,006,020.70

Finding the Fourth Proportional to 1,478,412.70, 2,217,619.05 and 1,006,020.70

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Solution

The fourth proportional to 1,478,412.70, 2,217,619.05 and 1,006,020.70 is: 1,509,031.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,412.70 : 2,217,619.05 = 1,006,020.70 : x
  2. Step 2: Convert to fraction form
    1,478,412.70/2,217,619.05 = 1,006,020.70/x
  3. Step 3: Cross multiply
    1,478,412.70x = 2,217,619.05 × 1,006,020.70
  4. Step 4: Simplify right side
    1,478,412.70x = 2,230,970,669,014.33
  5. Step 5: Solve for x
    x = 2,230,970,669,014.33/1,478,412.70
  6. Step 6: Final answer
    x = 1,509,031.05

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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.