Home / 1,855,295.20-2,781,000.46-776,425.89

Finding the Fourth Proportional to 1,855,295.20, 2,781,000.46 and 776,425.89

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Solution

The fourth proportional to 1,855,295.20, 2,781,000.46 and 776,425.89 is: 1,163,825.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,295.20 : 2,781,000.46 = 776,425.89 : x
  2. Step 2: Convert to fraction form
    1,855,295.20/2,781,000.46 = 776,425.89/x
  3. Step 3: Cross multiply
    1,855,295.20x = 2,781,000.46 × 776,425.89
  4. Step 4: Simplify right side
    1,855,295.20x = 2,159,240,755,304.84
  5. Step 5: Solve for x
    x = 2,159,240,755,304.84/1,855,295.20
  6. Step 6: Final answer
    x = 1,163,825.98

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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.