Home / 1,626,267.56-2,439,207.60-428,283.33

Finding the Fourth Proportional to 1,626,267.56, 2,439,207.60 and 428,283.33

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Solution

The fourth proportional to 1,626,267.56, 2,439,207.60 and 428,283.33 is: 642,373.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626,267.56 : 2,439,207.60 = 428,283.33 : x
  2. Step 2: Convert to fraction form
    1,626,267.56/2,439,207.60 = 428,283.33/x
  3. Step 3: Cross multiply
    1,626,267.56x = 2,439,207.60 × 428,283.33
  4. Step 4: Simplify right side
    1,626,267.56x = 1,044,671,953,489.31
  5. Step 5: Solve for x
    x = 1,044,671,953,489.31/1,626,267.56
  6. Step 6: Final answer
    x = 642,373.97

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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.