Home / 1,553,128.66-2,328,913.40-904,914.67

Finding the Fourth Proportional to 1,553,128.66, 2,328,913.40 and 904,914.67

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Solution

The fourth proportional to 1,553,128.66, 2,328,913.40 and 904,914.67 is: 1,356,917.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,128.66 : 2,328,913.40 = 904,914.67 : x
  2. Step 2: Convert to fraction form
    1,553,128.66/2,328,913.40 = 904,914.67/x
  3. Step 3: Cross multiply
    1,553,128.66x = 2,328,913.40 × 904,914.67
  4. Step 4: Simplify right side
    1,553,128.66x = 2,107,467,899,929.58
  5. Step 5: Solve for x
    x = 2,107,467,899,929.58/1,553,128.66
  6. Step 6: Final answer
    x = 1,356,917.78

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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.