Home / 1,380,582.52-2,071,015.17-528,370.89

Finding the Fourth Proportional to 1,380,582.52, 2,071,015.17 and 528,370.89

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Solution

The fourth proportional to 1,380,582.52, 2,071,015.17 and 528,370.89 is: 792,610.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,582.52 : 2,071,015.17 = 528,370.89 : x
  2. Step 2: Convert to fraction form
    1,380,582.52/2,071,015.17 = 528,370.89/x
  3. Step 3: Cross multiply
    1,380,582.52x = 2,071,015.17 × 528,370.89
  4. Step 4: Simplify right side
    1,380,582.52x = 1,094,264,128,576.40
  5. Step 5: Solve for x
    x = 1,094,264,128,576.40/1,380,582.52
  6. Step 6: Final answer
    x = 792,610.45

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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.