Home / 1,628,124.10-2,442,302.76-430,034.47

Finding the Fourth Proportional to 1,628,124.10, 2,442,302.76 and 430,034.47

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Solution

The fourth proportional to 1,628,124.10, 2,442,302.76 and 430,034.47 is: 645,082.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,124.10 : 2,442,302.76 = 430,034.47 : x
  2. Step 2: Convert to fraction form
    1,628,124.10/2,442,302.76 = 430,034.47/x
  3. Step 3: Cross multiply
    1,628,124.10x = 2,442,302.76 × 430,034.47
  4. Step 4: Simplify right side
    1,628,124.10x = 1,050,274,372,976.14
  5. Step 5: Solve for x
    x = 1,050,274,372,976.14/1,628,124.10
  6. Step 6: Final answer
    x = 645,082.51

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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.