Home / 1,210,609.46-1,670,517.43-745,389.45

Finding the Fourth Proportional to 1,210,609.46, 1,670,517.43 and 745,389.45

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Solution

The fourth proportional to 1,210,609.46, 1,670,517.43 and 745,389.45 is: 1,028,561.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,609.46 : 1,670,517.43 = 745,389.45 : x
  2. Step 2: Convert to fraction form
    1,210,609.46/1,670,517.43 = 745,389.45/x
  3. Step 3: Cross multiply
    1,210,609.46x = 1,670,517.43 × 745,389.45
  4. Step 4: Simplify right side
    1,210,609.46x = 1,245,186,066,499.64
  5. Step 5: Solve for x
    x = 1,245,186,066,499.64/1,210,609.46
  6. Step 6: Final answer
    x = 1,028,561.32

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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.