Home / 1,480,885.76-2,221,411.74-415,844.78

Finding the Fourth Proportional to 1,480,885.76, 2,221,411.74 and 415,844.78

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Solution

The fourth proportional to 1,480,885.76, 2,221,411.74 and 415,844.78 is: 623,790.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,885.76 : 2,221,411.74 = 415,844.78 : x
  2. Step 2: Convert to fraction form
    1,480,885.76/2,221,411.74 = 415,844.78/x
  3. Step 3: Cross multiply
    1,480,885.76x = 2,221,411.74 × 415,844.78
  4. Step 4: Simplify right side
    1,480,885.76x = 923,762,465,202.66
  5. Step 5: Solve for x
    x = 923,762,465,202.66/1,480,885.76
  6. Step 6: Final answer
    x = 623,790.50

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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.