Home / 1,028,712.04-1,422,330.30-901,020.40

Finding the Fourth Proportional to 1,028,712.04, 1,422,330.30 and 901,020.40

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Solution

The fourth proportional to 1,028,712.04, 1,422,330.30 and 901,020.40 is: 1,245,779.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,712.04 : 1,422,330.30 = 901,020.40 : x
  2. Step 2: Convert to fraction form
    1,028,712.04/1,422,330.30 = 901,020.40/x
  3. Step 3: Cross multiply
    1,028,712.04x = 1,422,330.30 × 901,020.40
  4. Step 4: Simplify right side
    1,028,712.04x = 1,281,548,615,838.12
  5. Step 5: Solve for x
    x = 1,281,548,615,838.12/1,028,712.04
  6. Step 6: Final answer
    x = 1,245,779.74

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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.