Home / 1,214,365.52-1,675,815-670,501.28

Finding the Fourth Proportional to 1,214,365.52, 1,675,815 and 670,501.28

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Solution

The fourth proportional to 1,214,365.52, 1,675,815 and 670,501.28 is: 925,286.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,365.52 : 1,675,815 = 670,501.28 : x
  2. Step 2: Convert to fraction form
    1,214,365.52/1,675,815 = 670,501.28/x
  3. Step 3: Cross multiply
    1,214,365.52x = 1,675,815 × 670,501.28
  4. Step 4: Simplify right side
    1,214,365.52x = 1,123,636,102,543.20
  5. Step 5: Solve for x
    x = 1,123,636,102,543.20/1,214,365.52
  6. Step 6: Final answer
    x = 925,286.57

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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.