Home / 1,678,567.60-2,518,595.56-879,659.20

Finding the Fourth Proportional to 1,678,567.60, 2,518,595.56 and 879,659.20

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Solution

The fourth proportional to 1,678,567.60, 2,518,595.56 and 879,659.20 is: 1,319,878.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,567.60 : 2,518,595.56 = 879,659.20 : x
  2. Step 2: Convert to fraction form
    1,678,567.60/2,518,595.56 = 879,659.20/x
  3. Step 3: Cross multiply
    1,678,567.60x = 2,518,595.56 × 879,659.20
  4. Step 4: Simplify right side
    1,678,567.60x = 2,215,505,755,433.15
  5. Step 5: Solve for x
    x = 2,215,505,755,433.15/1,678,567.60
  6. Step 6: Final answer
    x = 1,319,878.78

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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.