Home / 1,477,801.41-2,216,013.21-767,638.77

Finding the Fourth Proportional to 1,477,801.41, 2,216,013.21 and 767,638.77

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Solution

The fourth proportional to 1,477,801.41, 2,216,013.21 and 767,638.77 is: 1,151,100.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,801.41 : 2,216,013.21 = 767,638.77 : x
  2. Step 2: Convert to fraction form
    1,477,801.41/2,216,013.21 = 767,638.77/x
  3. Step 3: Cross multiply
    1,477,801.41x = 2,216,013.21 × 767,638.77
  4. Step 4: Simplify right side
    1,477,801.41x = 1,701,097,654,828.15
  5. Step 5: Solve for x
    x = 1,701,097,654,828.15/1,477,801.41
  6. Step 6: Final answer
    x = 1,151,100.31

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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.