Home / 1,677,362.31-2,516,043.15-415,189.98

Finding the Fourth Proportional to 1,677,362.31, 2,516,043.15 and 415,189.98

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Solution

The fourth proportional to 1,677,362.31, 2,516,043.15 and 415,189.98 is: 622,784.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,362.31 : 2,516,043.15 = 415,189.98 : x
  2. Step 2: Convert to fraction form
    1,677,362.31/2,516,043.15 = 415,189.98/x
  3. Step 3: Cross multiply
    1,677,362.31x = 2,516,043.15 × 415,189.98
  4. Step 4: Simplify right side
    1,677,362.31x = 1,044,635,905,127.64
  5. Step 5: Solve for x
    x = 1,044,635,905,127.64/1,677,362.31
  6. Step 6: Final answer
    x = 622,784.89

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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.