Home / 1,375,814.28-1,898,798.88-831,953.96

Finding the Fourth Proportional to 1,375,814.28, 1,898,798.88 and 831,953.96

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Solution

The fourth proportional to 1,375,814.28, 1,898,798.88 and 831,953.96 is: 1,148,202.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,814.28 : 1,898,798.88 = 831,953.96 : x
  2. Step 2: Convert to fraction form
    1,375,814.28/1,898,798.88 = 831,953.96/x
  3. Step 3: Cross multiply
    1,375,814.28x = 1,898,798.88 × 831,953.96
  4. Step 4: Simplify right side
    1,375,814.28x = 1,579,713,247,459.56
  5. Step 5: Solve for x
    x = 1,579,713,247,459.56/1,375,814.28
  6. Step 6: Final answer
    x = 1,148,202.39

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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.