Home / 1,427,435.03-2,140,474.58-828,579.76

Finding the Fourth Proportional to 1,427,435.03, 2,140,474.58 and 828,579.76

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Solution

The fourth proportional to 1,427,435.03, 2,140,474.58 and 828,579.76 is: 1,242,476.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,435.03 : 2,140,474.58 = 828,579.76 : x
  2. Step 2: Convert to fraction form
    1,427,435.03/2,140,474.58 = 828,579.76/x
  3. Step 3: Cross multiply
    1,427,435.03x = 2,140,474.58 × 828,579.76
  4. Step 4: Simplify right side
    1,427,435.03x = 1,773,553,907,395.59
  5. Step 5: Solve for x
    x = 1,773,553,907,395.59/1,427,435.03
  6. Step 6: Final answer
    x = 1,242,476.10

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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.