Home / 948,686.43-1,420,749.07-542,648.01

Finding the Fourth Proportional to 948,686.43, 1,420,749.07 and 542,648.01

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Solution

The fourth proportional to 948,686.43, 1,420,749.07 and 542,648.01 is: 812,667.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,686.43 : 1,420,749.07 = 542,648.01 : x
  2. Step 2: Convert to fraction form
    948,686.43/1,420,749.07 = 542,648.01/x
  3. Step 3: Cross multiply
    948,686.43x = 1,420,749.07 × 542,648.01
  4. Step 4: Simplify right side
    948,686.43x = 770,966,645,727.87
  5. Step 5: Solve for x
    x = 770,966,645,727.87/948,686.43
  6. Step 6: Final answer
    x = 812,667.52

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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.