Home / 1,378,328.70-2,062,827.45-1,210,367.10

Finding the Fourth Proportional to 1,378,328.70, 2,062,827.45 and 1,210,367.10

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Solution

The fourth proportional to 1,378,328.70, 2,062,827.45 and 1,210,367.10 is: 1,811,453.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,328.70 : 2,062,827.45 = 1,210,367.10 : x
  2. Step 2: Convert to fraction form
    1,378,328.70/2,062,827.45 = 1,210,367.10/x
  3. Step 3: Cross multiply
    1,378,328.70x = 2,062,827.45 × 1,210,367.10
  4. Step 4: Simplify right side
    1,378,328.70x = 2,496,778,478,456.90
  5. Step 5: Solve for x
    x = 2,496,778,478,456.90/1,378,328.70
  6. Step 6: Final answer
    x = 1,811,453.59

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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.