Home / 1,306,770-1,960,228.89-465,321.84

Finding the Fourth Proportional to 1,306,770, 1,960,228.89 and 465,321.84

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Solution

The fourth proportional to 1,306,770, 1,960,228.89 and 465,321.84 is: 698,009.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,770 : 1,960,228.89 = 465,321.84 : x
  2. Step 2: Convert to fraction form
    1,306,770/1,960,228.89 = 465,321.84/x
  3. Step 3: Cross multiply
    1,306,770x = 1,960,228.89 × 465,321.84
  4. Step 4: Simplify right side
    1,306,770x = 912,137,313,915.96
  5. Step 5: Solve for x
    x = 912,137,313,915.96/1,306,770
  6. Step 6: Final answer
    x = 698,009.07

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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.