Home / 1,210,626.83-1,670,541.39-745,406.84

Finding the Fourth Proportional to 1,210,626.83, 1,670,541.39 and 745,406.84

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Solution

The fourth proportional to 1,210,626.83, 1,670,541.39 and 745,406.84 is: 1,028,585.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,626.83 : 1,670,541.39 = 745,406.84 : x
  2. Step 2: Convert to fraction form
    1,210,626.83/1,670,541.39 = 745,406.84/x
  3. Step 3: Cross multiply
    1,210,626.83x = 1,670,541.39 × 745,406.84
  4. Step 4: Simplify right side
    1,210,626.83x = 1,245,232,978,609.11
  5. Step 5: Solve for x
    x = 1,245,232,978,609.11/1,210,626.83
  6. Step 6: Final answer
    x = 1,028,585.31

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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.