Home / 1,299,905.07-1,950,176.67-916,403.34

Finding the Fourth Proportional to 1,299,905.07, 1,950,176.67 and 916,403.34

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Solution

The fourth proportional to 1,299,905.07, 1,950,176.67 and 916,403.34 is: 1,374,829.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,905.07 : 1,950,176.67 = 916,403.34 : x
  2. Step 2: Convert to fraction form
    1,299,905.07/1,950,176.67 = 916,403.34/x
  3. Step 3: Cross multiply
    1,299,905.07x = 1,950,176.67 × 916,403.34
  4. Step 4: Simplify right side
    1,299,905.07x = 1,787,148,413,978.08
  5. Step 5: Solve for x
    x = 1,787,148,413,978.08/1,299,905.07
  6. Step 6: Final answer
    x = 1,374,829.94

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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.