Home / 1,210,180.10-1,670,035.08-666,304.66

Finding the Fourth Proportional to 1,210,180.10, 1,670,035.08 and 666,304.66

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Solution

The fourth proportional to 1,210,180.10, 1,670,035.08 and 666,304.66 is: 919,493.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,180.10 : 1,670,035.08 = 666,304.66 : x
  2. Step 2: Convert to fraction form
    1,210,180.10/1,670,035.08 = 666,304.66/x
  3. Step 3: Cross multiply
    1,210,180.10x = 1,670,035.08 × 666,304.66
  4. Step 4: Simplify right side
    1,210,180.10x = 1,112,752,156,167.47
  5. Step 5: Solve for x
    x = 1,112,752,156,167.47/1,210,180.10
  6. Step 6: Final answer
    x = 919,493.02

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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.