Home / 1,020,013.97-1,407,574.80-561,099.43

Finding the Fourth Proportional to 1,020,013.97, 1,407,574.80 and 561,099.43

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Solution

The fourth proportional to 1,020,013.97, 1,407,574.80 and 561,099.43 is: 774,292.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,013.97 : 1,407,574.80 = 561,099.43 : x
  2. Step 2: Convert to fraction form
    1,020,013.97/1,407,574.80 = 561,099.43/x
  3. Step 3: Cross multiply
    1,020,013.97x = 1,407,574.80 × 561,099.43
  4. Step 4: Simplify right side
    1,020,013.97x = 789,789,418,130.14
  5. Step 5: Solve for x
    x = 789,789,418,130.14/1,020,013.97
  6. Step 6: Final answer
    x = 774,292.75

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1.5x scale

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.