Home / 1,176,889.23-1,621,013.45-904,435.47

Finding the Fourth Proportional to 1,176,889.23, 1,621,013.45 and 904,435.47

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Solution

The fourth proportional to 1,176,889.23, 1,621,013.45 and 904,435.47 is: 1,245,743.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,889.23 : 1,621,013.45 = 904,435.47 : x
  2. Step 2: Convert to fraction form
    1,176,889.23/1,621,013.45 = 904,435.47/x
  3. Step 3: Cross multiply
    1,176,889.23x = 1,621,013.45 × 904,435.47
  4. Step 4: Simplify right side
    1,176,889.23x = 1,466,102,057,004.89
  5. Step 5: Solve for x
    x = 1,466,102,057,004.89/1,176,889.23
  6. Step 6: Final answer
    x = 1,245,743.46

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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.