Home / 1,361,525.81-2,042,510.35-402,078.46

Finding the Fourth Proportional to 1,361,525.81, 2,042,510.35 and 402,078.46

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Solution

The fourth proportional to 1,361,525.81, 2,042,510.35 and 402,078.46 is: 603,183.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,525.81 : 2,042,510.35 = 402,078.46 : x
  2. Step 2: Convert to fraction form
    1,361,525.81/2,042,510.35 = 402,078.46/x
  3. Step 3: Cross multiply
    1,361,525.81x = 2,042,510.35 × 402,078.46
  4. Step 4: Simplify right side
    1,361,525.81x = 821,249,416,062.06
  5. Step 5: Solve for x
    x = 821,249,416,062.06/1,361,525.81
  6. Step 6: Final answer
    x = 603,183.14

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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.