Home / 1,443,864.63-1,992,556.75-790,479.71

Finding the Fourth Proportional to 1,443,864.63, 1,992,556.75 and 790,479.71

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Solution

The fourth proportional to 1,443,864.63, 1,992,556.75 and 790,479.71 is: 1,090,874.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,864.63 : 1,992,556.75 = 790,479.71 : x
  2. Step 2: Convert to fraction form
    1,443,864.63/1,992,556.75 = 790,479.71/x
  3. Step 3: Cross multiply
    1,443,864.63x = 1,992,556.75 × 790,479.71
  4. Step 4: Simplify right side
    1,443,864.63x = 1,575,075,677,933.75
  5. Step 5: Solve for x
    x = 1,575,075,677,933.75/1,443,864.63
  6. Step 6: Final answer
    x = 1,090,874.90

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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.