Home / 1,464,854.82-2,021,477.69-811,478.77

Finding the Fourth Proportional to 1,464,854.82, 2,021,477.69 and 811,478.77

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Solution

The fourth proportional to 1,464,854.82, 2,021,477.69 and 811,478.77 is: 1,119,828.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464,854.82 : 2,021,477.69 = 811,478.77 : x
  2. Step 2: Convert to fraction form
    1,464,854.82/2,021,477.69 = 811,478.77/x
  3. Step 3: Cross multiply
    1,464,854.82x = 2,021,477.69 × 811,478.77
  4. Step 4: Simplify right side
    1,464,854.82x = 1,640,386,227,933.09
  5. Step 5: Solve for x
    x = 1,640,386,227,933.09/1,464,854.82
  6. Step 6: Final answer
    x = 1,119,828.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.