Home / 1,380,411.64-2,071,115.70-481,985.74

Finding the Fourth Proportional to 1,380,411.64, 2,071,115.70 and 481,985.74

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Solution

The fourth proportional to 1,380,411.64, 2,071,115.70 and 481,985.74 is: 723,152.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,411.64 : 2,071,115.70 = 481,985.74 : x
  2. Step 2: Convert to fraction form
    1,380,411.64/2,071,115.70 = 481,985.74/x
  3. Step 3: Cross multiply
    1,380,411.64x = 2,071,115.70 × 481,985.74
  4. Step 4: Simplify right side
    1,380,411.64x = 998,248,233,290.12
  5. Step 5: Solve for x
    x = 998,248,233,290.12/1,380,411.64
  6. Step 6: Final answer
    x = 723,152.58

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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.