Home / 1,020,301.26-1,407,954.33-561,399

Finding the Fourth Proportional to 1,020,301.26, 1,407,954.33 and 561,399

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Solution

The fourth proportional to 1,020,301.26, 1,407,954.33 and 561,399 is: 774,696.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,301.26 : 1,407,954.33 = 561,399 : x
  2. Step 2: Convert to fraction form
    1,020,301.26/1,407,954.33 = 561,399/x
  3. Step 3: Cross multiply
    1,020,301.26x = 1,407,954.33 × 561,399
  4. Step 4: Simplify right side
    1,020,301.26x = 790,424,152,907.67
  5. Step 5: Solve for x
    x = 790,424,152,907.67/1,020,301.26
  6. Step 6: Final answer
    x = 774,696.83

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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.