Home / 1,420,283.25-1,959,960.59-775,706.00

Finding the Fourth Proportional to 1,420,283.25, 1,959,960.59 and 775,706.00

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Solution

The fourth proportional to 1,420,283.25, 1,959,960.59 and 775,706.00 is: 1,070,457.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,283.25 : 1,959,960.59 = 775,706.00 : x
  2. Step 2: Convert to fraction form
    1,420,283.25/1,959,960.59 = 775,706.00/x
  3. Step 3: Cross multiply
    1,420,283.25x = 1,959,960.59 × 775,706.00
  4. Step 4: Simplify right side
    1,420,283.25x = 1,520,353,175,748.21
  5. Step 5: Solve for x
    x = 1,520,353,175,748.21/1,420,283.25
  6. Step 6: Final answer
    x = 1,070,457.72

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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.