Home / 1,346,661.45-2,019,319.47-447,787.98

Finding the Fourth Proportional to 1,346,661.45, 2,019,319.47 and 447,787.98

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Solution

The fourth proportional to 1,346,661.45, 2,019,319.47 and 447,787.98 is: 671,458.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,661.45 : 2,019,319.47 = 447,787.98 : x
  2. Step 2: Convert to fraction form
    1,346,661.45/2,019,319.47 = 447,787.98/x
  3. Step 3: Cross multiply
    1,346,661.45x = 2,019,319.47 × 447,787.98
  4. Step 4: Simplify right side
    1,346,661.45x = 904,226,986,445.97
  5. Step 5: Solve for x
    x = 904,226,986,445.97/1,346,661.45
  6. Step 6: Final answer
    x = 671,458.28

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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.