Home / 1,626,354.92-2,439,652.23-428,268.94

Finding the Fourth Proportional to 1,626,354.92, 2,439,652.23 and 428,268.94

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Solution

The fourth proportional to 1,626,354.92, 2,439,652.23 and 428,268.94 is: 642,434.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626,354.92 : 2,439,652.23 = 428,268.94 : x
  2. Step 2: Convert to fraction form
    1,626,354.92/2,439,652.23 = 428,268.94/x
  3. Step 3: Cross multiply
    1,626,354.92x = 2,439,652.23 × 428,268.94
  4. Step 4: Simplify right side
    1,626,354.92x = 1,044,827,268,411.61
  5. Step 5: Solve for x
    x = 1,044,827,268,411.61/1,626,354.92
  6. Step 6: Final answer
    x = 642,434.97

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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.