Home / 1,142,862.43-1,576,830.90-900,393.52

Finding the Fourth Proportional to 1,142,862.43, 1,576,830.90 and 900,393.52

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Solution

The fourth proportional to 1,142,862.43, 1,576,830.90 and 900,393.52 is: 1,242,291.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,862.43 : 1,576,830.90 = 900,393.52 : x
  2. Step 2: Convert to fraction form
    1,142,862.43/1,576,830.90 = 900,393.52/x
  3. Step 3: Cross multiply
    1,142,862.43x = 1,576,830.90 × 900,393.52
  4. Step 4: Simplify right side
    1,142,862.43x = 1,419,768,324,495.77
  5. Step 5: Solve for x
    x = 1,419,768,324,495.77/1,142,862.43
  6. Step 6: Final answer
    x = 1,242,291.54

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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.