Home / 1,706,960.16-2,560,821.55-642,011.45

Finding the Fourth Proportional to 1,706,960.16, 2,560,821.55 and 642,011.45

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Solution

The fourth proportional to 1,706,960.16, 2,560,821.55 and 642,011.45 is: 963,160.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706,960.16 : 2,560,821.55 = 642,011.45 : x
  2. Step 2: Convert to fraction form
    1,706,960.16/2,560,821.55 = 642,011.45/x
  3. Step 3: Cross multiply
    1,706,960.16x = 2,560,821.55 × 642,011.45
  4. Step 4: Simplify right side
    1,706,960.16x = 1,644,076,756,506.75
  5. Step 5: Solve for x
    x = 1,644,076,756,506.75/1,706,960.16
  6. Step 6: Final answer
    x = 963,160.59

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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.