Home / 1,050,142-1,575,295.80-517,372.36

Finding the Fourth Proportional to 1,050,142, 1,575,295.80 and 517,372.36

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Solution

The fourth proportional to 1,050,142, 1,575,295.80 and 517,372.36 is: 776,099.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,142 : 1,575,295.80 = 517,372.36 : x
  2. Step 2: Convert to fraction form
    1,050,142/1,575,295.80 = 517,372.36/x
  3. Step 3: Cross multiply
    1,050,142x = 1,575,295.80 × 517,372.36
  4. Step 4: Simplify right side
    1,050,142x = 815,014,505,744.09
  5. Step 5: Solve for x
    x = 815,014,505,744.09/1,050,142
  6. Step 6: Final answer
    x = 776,099.33

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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.