Home / 1,430,960.90-1,974,630.56-786,367.22

Finding the Fourth Proportional to 1,430,960.90, 1,974,630.56 and 786,367.22

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Solution

The fourth proportional to 1,430,960.90, 1,974,630.56 and 786,367.22 is: 1,085,134.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,960.90 : 1,974,630.56 = 786,367.22 : x
  2. Step 2: Convert to fraction form
    1,430,960.90/1,974,630.56 = 786,367.22/x
  3. Step 3: Cross multiply
    1,430,960.90x = 1,974,630.56 × 786,367.22
  4. Step 4: Simplify right side
    1,430,960.90x = 1,552,784,743,994.24
  5. Step 5: Solve for x
    x = 1,552,784,743,994.24/1,430,960.90
  6. Step 6: Final answer
    x = 1,085,134.29

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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.