Home / 1,215,338.96-1,677,024.78-671,442.32

Finding the Fourth Proportional to 1,215,338.96, 1,677,024.78 and 671,442.32

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Solution

The fourth proportional to 1,215,338.96, 1,677,024.78 and 671,442.32 is: 926,511.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,338.96 : 1,677,024.78 = 671,442.32 : x
  2. Step 2: Convert to fraction form
    1,215,338.96/1,677,024.78 = 671,442.32/x
  3. Step 3: Cross multiply
    1,215,338.96x = 1,677,024.78 × 671,442.32
  4. Step 4: Simplify right side
    1,215,338.96x = 1,126,025,408,980.69
  5. Step 5: Solve for x
    x = 1,126,025,408,980.69/1,215,338.96
  6. Step 6: Final answer
    x = 926,511.41

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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.