Home / 1,307,729.96-1,804,038.94-1,126,126.63

Finding the Fourth Proportional to 1,307,729.96, 1,804,038.94 and 1,126,126.63

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Solution

The fourth proportional to 1,307,729.96, 1,804,038.94 and 1,126,126.63 is: 1,553,513.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,729.96 : 1,804,038.94 = 1,126,126.63 : x
  2. Step 2: Convert to fraction form
    1,307,729.96/1,804,038.94 = 1,126,126.63/x
  3. Step 3: Cross multiply
    1,307,729.96x = 1,804,038.94 × 1,126,126.63
  4. Step 4: Simplify right side
    1,307,729.96x = 2,031,576,289,219.22
  5. Step 5: Solve for x
    x = 2,031,576,289,219.22/1,307,729.96
  6. Step 6: Final answer
    x = 1,553,513.60

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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.