Home / 879,675.60-1,319,513.40-800,943.60

Finding the Fourth Proportional to 879,675.60, 1,319,513.40 and 800,943.60

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Solution

The fourth proportional to 879,675.60, 1,319,513.40 and 800,943.60 is: 1,201,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,675.60 : 1,319,513.40 = 800,943.60 : x
  2. Step 2: Convert to fraction form
    879,675.60/1,319,513.40 = 800,943.60/x
  3. Step 3: Cross multiply
    879,675.60x = 1,319,513.40 × 800,943.60
  4. Step 4: Simplify right side
    879,675.60x = 1,056,855,812,844.24
  5. Step 5: Solve for x
    x = 1,056,855,812,844.24/879,675.60
  6. Step 6: Final answer
    x = 1,201,415.40

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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.