Home / 1,628,474.85-2,442,733.05-430,386.81

Finding the Fourth Proportional to 1,628,474.85, 2,442,733.05 and 430,386.81

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Solution

The fourth proportional to 1,628,474.85, 2,442,733.05 and 430,386.81 is: 645,585.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,474.85 : 2,442,733.05 = 430,386.81 : x
  2. Step 2: Convert to fraction form
    1,628,474.85/2,442,733.05 = 430,386.81/x
  3. Step 3: Cross multiply
    1,628,474.85x = 2,442,733.05 × 430,386.81
  4. Step 4: Simplify right side
    1,628,474.85x = 1,051,320,085,071.07
  5. Step 5: Solve for x
    x = 1,051,320,085,071.07/1,628,474.85
  6. Step 6: Final answer
    x = 645,585.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.