Home / 1,433,779.62-2,150,666.70-423,611.16

Finding the Fourth Proportional to 1,433,779.62, 2,150,666.70 and 423,611.16

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Solution

The fourth proportional to 1,433,779.62, 2,150,666.70 and 423,611.16 is: 635,415.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,779.62 : 2,150,666.70 = 423,611.16 : x
  2. Step 2: Convert to fraction form
    1,433,779.62/2,150,666.70 = 423,611.16/x
  3. Step 3: Cross multiply
    1,433,779.62x = 2,150,666.70 × 423,611.16
  4. Step 4: Simplify right side
    1,433,779.62x = 911,046,415,560.37
  5. Step 5: Solve for x
    x = 911,046,415,560.37/1,433,779.62
  6. Step 6: Final answer
    x = 635,415.93

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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.