Home / 1,256,942.87-1,885,431.86-358,384.96

Finding the Fourth Proportional to 1,256,942.87, 1,885,431.86 and 358,384.96

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Solution

The fourth proportional to 1,256,942.87, 1,885,431.86 and 358,384.96 is: 537,582.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,942.87 : 1,885,431.86 = 358,384.96 : x
  2. Step 2: Convert to fraction form
    1,256,942.87/1,885,431.86 = 358,384.96/x
  3. Step 3: Cross multiply
    1,256,942.87x = 1,885,431.86 × 358,384.96
  4. Step 4: Simplify right side
    1,256,942.87x = 675,710,415,048.00
  5. Step 5: Solve for x
    x = 675,710,415,048.00/1,256,942.87
  6. Step 6: Final answer
    x = 537,582.44

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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.