Home / 1,201,152.22-1,657,519.12-657,179.70

Finding the Fourth Proportional to 1,201,152.22, 1,657,519.12 and 657,179.70

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Solution

The fourth proportional to 1,201,152.22, 1,657,519.12 and 657,179.70 is: 906,869.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,152.22 : 1,657,519.12 = 657,179.70 : x
  2. Step 2: Convert to fraction form
    1,201,152.22/1,657,519.12 = 657,179.70/x
  3. Step 3: Cross multiply
    1,201,152.22x = 1,657,519.12 × 657,179.70
  4. Step 4: Simplify right side
    1,201,152.22x = 1,089,287,918,025.86
  5. Step 5: Solve for x
    x = 1,089,287,918,025.86/1,201,152.22
  6. Step 6: Final answer
    x = 906,869.17

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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.