Home / 1,346,930.37-2,020,483.04-400,221.81

Finding the Fourth Proportional to 1,346,930.37, 2,020,483.04 and 400,221.81

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Solution

The fourth proportional to 1,346,930.37, 2,020,483.04 and 400,221.81 is: 600,358.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,930.37 : 2,020,483.04 = 400,221.81 : x
  2. Step 2: Convert to fraction form
    1,346,930.37/2,020,483.04 = 400,221.81/x
  3. Step 3: Cross multiply
    1,346,930.37x = 2,020,483.04 × 400,221.81
  4. Step 4: Simplify right side
    1,346,930.37x = 808,641,377,341.99
  5. Step 5: Solve for x
    x = 808,641,377,341.99/1,346,930.37
  6. Step 6: Final answer
    x = 600,358.71

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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.