Home / 1,137,076.80-1,569,303.59-647,165.44

Finding the Fourth Proportional to 1,137,076.80, 1,569,303.59 and 647,165.44

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Solution

The fourth proportional to 1,137,076.80, 1,569,303.59 and 647,165.44 is: 893,166.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,076.80 : 1,569,303.59 = 647,165.44 : x
  2. Step 2: Convert to fraction form
    1,137,076.80/1,569,303.59 = 647,165.44/x
  3. Step 3: Cross multiply
    1,137,076.80x = 1,569,303.59 × 647,165.44
  4. Step 4: Simplify right side
    1,137,076.80x = 1,015,599,048,315.93
  5. Step 5: Solve for x
    x = 1,015,599,048,315.93/1,137,076.80
  6. Step 6: Final answer
    x = 893,166.63

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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.