Home / 1,146,864.74-1,720,483.18-378,132.86

Finding the Fourth Proportional to 1,146,864.74, 1,720,483.18 and 378,132.86

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Solution

The fourth proportional to 1,146,864.74, 1,720,483.18 and 378,132.86 is: 567,260.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,864.74 : 1,720,483.18 = 378,132.86 : x
  2. Step 2: Convert to fraction form
    1,146,864.74/1,720,483.18 = 378,132.86/x
  3. Step 3: Cross multiply
    1,146,864.74x = 1,720,483.18 × 378,132.86
  4. Step 4: Simplify right side
    1,146,864.74x = 650,571,225,435.30
  5. Step 5: Solve for x
    x = 650,571,225,435.30/1,146,864.74
  6. Step 6: Final answer
    x = 567,260.64

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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.