Home / 1,242,303.60-1,863,455.40-400,855.35

Finding the Fourth Proportional to 1,242,303.60, 1,863,455.40 and 400,855.35

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Solution

The fourth proportional to 1,242,303.60, 1,863,455.40 and 400,855.35 is: 601,283.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,303.60 : 1,863,455.40 = 400,855.35 : x
  2. Step 2: Convert to fraction form
    1,242,303.60/1,863,455.40 = 400,855.35/x
  3. Step 3: Cross multiply
    1,242,303.60x = 1,863,455.40 × 400,855.35
  4. Step 4: Simplify right side
    1,242,303.60x = 746,976,066,576.39
  5. Step 5: Solve for x
    x = 746,976,066,576.39/1,242,303.60
  6. Step 6: Final answer
    x = 601,283.03

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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.