Home / 1,346,589.58-1,856,612.76-862,358.62

Finding the Fourth Proportional to 1,346,589.58, 1,856,612.76 and 862,358.62

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Solution

The fourth proportional to 1,346,589.58, 1,856,612.76 and 862,358.62 is: 1,188,978.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,589.58 : 1,856,612.76 = 862,358.62 : x
  2. Step 2: Convert to fraction form
    1,346,589.58/1,856,612.76 = 862,358.62/x
  3. Step 3: Cross multiply
    1,346,589.58x = 1,856,612.76 × 862,358.62
  4. Step 4: Simplify right side
    1,346,589.58x = 1,601,066,017,587.99
  5. Step 5: Solve for x
    x = 1,601,066,017,587.99/1,346,589.58
  6. Step 6: Final answer
    x = 1,188,978.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.