Home / 1,201,172.99-1,657,618.89-657,308.89

Finding the Fourth Proportional to 1,201,172.99, 1,657,618.89 and 657,308.89

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Solution

The fourth proportional to 1,201,172.99, 1,657,618.89 and 657,308.89 is: 907,086.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,172.99 : 1,657,618.89 = 657,308.89 : x
  2. Step 2: Convert to fraction form
    1,201,172.99/1,657,618.89 = 657,308.89/x
  3. Step 3: Cross multiply
    1,201,172.99x = 1,657,618.89 × 657,308.89
  4. Step 4: Simplify right side
    1,201,172.99x = 1,089,567,635,129.71
  5. Step 5: Solve for x
    x = 1,089,567,635,129.71/1,201,172.99
  6. Step 6: Final answer
    x = 907,086.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.