Home / 1,249,800.78-1,874,703.90-451,645.98

Finding the Fourth Proportional to 1,249,800.78, 1,874,703.90 and 451,645.98

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Solution

The fourth proportional to 1,249,800.78, 1,874,703.90 and 451,645.98 is: 677,469.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,800.78 : 1,874,703.90 = 451,645.98 : x
  2. Step 2: Convert to fraction form
    1,249,800.78/1,874,703.90 = 451,645.98/x
  3. Step 3: Cross multiply
    1,249,800.78x = 1,874,703.90 × 451,645.98
  4. Step 4: Simplify right side
    1,249,800.78x = 846,702,480,125.32
  5. Step 5: Solve for x
    x = 846,702,480,125.32/1,249,800.78
  6. Step 6: Final answer
    x = 677,469.96

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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.