Home / 1,312,255.84-1,967,683.92-679,600.48

Finding the Fourth Proportional to 1,312,255.84, 1,967,683.92 and 679,600.48

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Solution

The fourth proportional to 1,312,255.84, 1,967,683.92 and 679,600.48 is: 1,019,038.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,255.84 : 1,967,683.92 = 679,600.48 : x
  2. Step 2: Convert to fraction form
    1,312,255.84/1,967,683.92 = 679,600.48/x
  3. Step 3: Cross multiply
    1,312,255.84x = 1,967,683.92 × 679,600.48
  4. Step 4: Simplify right side
    1,312,255.84x = 1,337,238,936,520.28
  5. Step 5: Solve for x
    x = 1,337,238,936,520.28/1,312,255.84
  6. Step 6: Final answer
    x = 1,019,038.28

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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.