Home / 1,142,051.24-1,576,029.48-625,817.72

Finding the Fourth Proportional to 1,142,051.24, 1,576,029.48 and 625,817.72

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Solution

The fourth proportional to 1,142,051.24, 1,576,029.48 and 625,817.72 is: 863,627.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,051.24 : 1,576,029.48 = 625,817.72 : x
  2. Step 2: Convert to fraction form
    1,142,051.24/1,576,029.48 = 625,817.72/x
  3. Step 3: Cross multiply
    1,142,051.24x = 1,576,029.48 × 625,817.72
  4. Step 4: Simplify right side
    1,142,051.24x = 986,307,175,826.39
  5. Step 5: Solve for x
    x = 986,307,175,826.39/1,142,051.24
  6. Step 6: Final answer
    x = 863,627.78

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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.