Home / 1,201,195.10-1,657,649.34-657,330.86

Finding the Fourth Proportional to 1,201,195.10, 1,657,649.34 and 657,330.86

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Solution

The fourth proportional to 1,201,195.10, 1,657,649.34 and 657,330.86 is: 907,116.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,195.10 : 1,657,649.34 = 657,330.86 : x
  2. Step 2: Convert to fraction form
    1,201,195.10/1,657,649.34 = 657,330.86/x
  3. Step 3: Cross multiply
    1,201,195.10x = 1,657,649.34 × 657,330.86
  4. Step 4: Simplify right side
    1,201,195.10x = 1,089,624,057,952.39
  5. Step 5: Solve for x
    x = 1,089,624,057,952.39/1,201,195.10
  6. Step 6: Final answer
    x = 907,116.64

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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.