Home / 1,078,828.56-1,617,742.26-629,678.70

Finding the Fourth Proportional to 1,078,828.56, 1,617,742.26 and 629,678.70

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Solution

The fourth proportional to 1,078,828.56, 1,617,742.26 and 629,678.70 is: 944,225.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,828.56 : 1,617,742.26 = 629,678.70 : x
  2. Step 2: Convert to fraction form
    1,078,828.56/1,617,742.26 = 629,678.70/x
  3. Step 3: Cross multiply
    1,078,828.56x = 1,617,742.26 × 629,678.70
  4. Step 4: Simplify right side
    1,078,828.56x = 1,018,657,843,211.86
  5. Step 5: Solve for x
    x = 1,018,657,843,211.86/1,078,828.56
  6. Step 6: Final answer
    x = 944,225.88

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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.