Home / 1,015,855.98-1,401,897.02-557,012.45

Finding the Fourth Proportional to 1,015,855.98, 1,401,897.02 and 557,012.45

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Solution

The fourth proportional to 1,015,855.98, 1,401,897.02 and 557,012.45 is: 768,685.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,855.98 : 1,401,897.02 = 557,012.45 : x
  2. Step 2: Convert to fraction form
    1,015,855.98/1,401,897.02 = 557,012.45/x
  3. Step 3: Cross multiply
    1,015,855.98x = 1,401,897.02 × 557,012.45
  4. Step 4: Simplify right side
    1,015,855.98x = 780,874,083,963.35
  5. Step 5: Solve for x
    x = 780,874,083,963.35/1,015,855.98
  6. Step 6: Final answer
    x = 768,685.82

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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.