Home / 1,015,856.98-1,401,898.40-557,013.45

Finding the Fourth Proportional to 1,015,856.98, 1,401,898.40 and 557,013.45

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Solution

The fourth proportional to 1,015,856.98, 1,401,898.40 and 557,013.45 is: 768,687.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,856.98 : 1,401,898.40 = 557,013.45 : x
  2. Step 2: Convert to fraction form
    1,015,856.98/1,401,898.40 = 557,013.45/x
  3. Step 3: Cross multiply
    1,015,856.98x = 1,401,898.40 × 557,013.45
  4. Step 4: Simplify right side
    1,015,856.98x = 780,876,264,333.48
  5. Step 5: Solve for x
    x = 780,876,264,333.48/1,015,856.98
  6. Step 6: Final answer
    x = 768,687.21

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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.