Home / 1,628,123.60-2,442,302.01-430,033.97

Finding the Fourth Proportional to 1,628,123.60, 2,442,302.01 and 430,033.97

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Solution

The fourth proportional to 1,628,123.60, 2,442,302.01 and 430,033.97 is: 645,081.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,123.60 : 2,442,302.01 = 430,033.97 : x
  2. Step 2: Convert to fraction form
    1,628,123.60/2,442,302.01 = 430,033.97/x
  3. Step 3: Cross multiply
    1,628,123.60x = 2,442,302.01 × 430,033.97
  4. Step 4: Simplify right side
    1,628,123.60x = 1,050,272,829,299.28
  5. Step 5: Solve for x
    x = 1,050,272,829,299.28/1,628,123.60
  6. Step 6: Final answer
    x = 645,081.76

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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.