Home / 1,210,250.06-1,670,186.49-666,423.35

Finding the Fourth Proportional to 1,210,250.06, 1,670,186.49 and 666,423.35

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Solution

The fourth proportional to 1,210,250.06, 1,670,186.49 and 666,423.35 is: 919,687.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,250.06 : 1,670,186.49 = 666,423.35 : x
  2. Step 2: Convert to fraction form
    1,210,250.06/1,670,186.49 = 666,423.35/x
  3. Step 3: Cross multiply
    1,210,250.06x = 1,670,186.49 × 666,423.35
  4. Step 4: Simplify right side
    1,210,250.06x = 1,113,051,275,790.54
  5. Step 5: Solve for x
    x = 1,113,051,275,790.54/1,210,250.06
  6. Step 6: Final answer
    x = 919,687.02

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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.