Home / 1,028,273.45-1,421,726.18-900,583.02

Finding the Fourth Proportional to 1,028,273.45, 1,421,726.18 and 900,583.02

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Solution

The fourth proportional to 1,028,273.45, 1,421,726.18 and 900,583.02 is: 1,245,177.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,273.45 : 1,421,726.18 = 900,583.02 : x
  2. Step 2: Convert to fraction form
    1,028,273.45/1,421,726.18 = 900,583.02/x
  3. Step 3: Cross multiply
    1,028,273.45x = 1,421,726.18 × 900,583.02
  4. Step 4: Simplify right side
    1,028,273.45x = 1,280,382,452,294.55
  5. Step 5: Solve for x
    x = 1,280,382,452,294.55/1,028,273.45
  6. Step 6: Final answer
    x = 1,245,177.01

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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.