Home / 972,002.90-1,458,004.35-814,538.90

Finding the Fourth Proportional to 972,002.90, 1,458,004.35 and 814,538.90

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Solution

The fourth proportional to 972,002.90, 1,458,004.35 and 814,538.90 is: 1,221,808.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,002.90 : 1,458,004.35 = 814,538.90 : x
  2. Step 2: Convert to fraction form
    972,002.90/1,458,004.35 = 814,538.90/x
  3. Step 3: Cross multiply
    972,002.90x = 1,458,004.35 × 814,538.90
  4. Step 4: Simplify right side
    972,002.90x = 1,187,601,259,444.22
  5. Step 5: Solve for x
    x = 1,187,601,259,444.22/972,002.90
  6. Step 6: Final answer
    x = 1,221,808.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.