Home / 1,207,880.02-1,666,906.34-656,632.82

Finding the Fourth Proportional to 1,207,880.02, 1,666,906.34 and 656,632.82

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Solution

The fourth proportional to 1,207,880.02, 1,666,906.34 and 656,632.82 is: 906,170.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,880.02 : 1,666,906.34 = 656,632.82 : x
  2. Step 2: Convert to fraction form
    1,207,880.02/1,666,906.34 = 656,632.82/x
  3. Step 3: Cross multiply
    1,207,880.02x = 1,666,906.34 × 656,632.82
  4. Step 4: Simplify right side
    1,207,880.02x = 1,094,545,403,567.30
  5. Step 5: Solve for x
    x = 1,094,545,403,567.30/1,207,880.02
  6. Step 6: Final answer
    x = 906,170.63

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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.