Home / 1,210,341.07-1,670,270.67-666,475.56

Finding the Fourth Proportional to 1,210,341.07, 1,670,270.67 and 666,475.56

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Solution

The fourth proportional to 1,210,341.07, 1,670,270.67 and 666,475.56 is: 919,736.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,341.07 : 1,670,270.67 = 666,475.56 : x
  2. Step 2: Convert to fraction form
    1,210,341.07/1,670,270.67 = 666,475.56/x
  3. Step 3: Cross multiply
    1,210,341.07x = 1,670,270.67 × 666,475.56
  4. Step 4: Simplify right side
    1,210,341.07x = 1,113,194,580,139.83
  5. Step 5: Solve for x
    x = 1,113,194,580,139.83/1,210,341.07
  6. Step 6: Final answer
    x = 919,736.27

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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.