Home / 1,210,835.10-1,670,944.66-666,958.27

Finding the Fourth Proportional to 1,210,835.10, 1,670,944.66 and 666,958.27

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Solution

The fourth proportional to 1,210,835.10, 1,670,944.66 and 666,958.27 is: 920,398.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,835.10 : 1,670,944.66 = 666,958.27 : x
  2. Step 2: Convert to fraction form
    1,210,835.10/1,670,944.66 = 666,958.27/x
  3. Step 3: Cross multiply
    1,210,835.10x = 1,670,944.66 × 666,958.27
  4. Step 4: Simplify right side
    1,210,835.10x = 1,114,450,360,739.24
  5. Step 5: Solve for x
    x = 1,114,450,360,739.24/1,210,835.10
  6. Step 6: Final answer
    x = 920,398.13

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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.