Home / 1,520,828.64-2,099,210.76-876,679.44

Finding the Fourth Proportional to 1,520,828.64, 2,099,210.76 and 876,679.44

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Solution

The fourth proportional to 1,520,828.64, 2,099,210.76 and 876,679.44 is: 1,210,086.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,828.64 : 2,099,210.76 = 876,679.44 : x
  2. Step 2: Convert to fraction form
    1,520,828.64/2,099,210.76 = 876,679.44/x
  3. Step 3: Cross multiply
    1,520,828.64x = 2,099,210.76 × 876,679.44
  4. Step 4: Simplify right side
    1,520,828.64x = 1,840,334,913,518.77
  5. Step 5: Solve for x
    x = 1,840,334,913,518.77/1,520,828.64
  6. Step 6: Final answer
    x = 1,210,086.97

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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.