Home / 1,623,875.85-2,435,129.73-486,801.09

Finding the Fourth Proportional to 1,623,875.85, 2,435,129.73 and 486,801.09

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Solution

The fourth proportional to 1,623,875.85, 2,435,129.73 and 486,801.09 is: 729,996.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,875.85 : 2,435,129.73 = 486,801.09 : x
  2. Step 2: Convert to fraction form
    1,623,875.85/2,435,129.73 = 486,801.09/x
  3. Step 3: Cross multiply
    1,623,875.85x = 2,435,129.73 × 486,801.09
  4. Step 4: Simplify right side
    1,623,875.85x = 1,185,423,806,855.41
  5. Step 5: Solve for x
    x = 1,185,423,806,855.41/1,623,875.85
  6. Step 6: Final answer
    x = 729,996.57

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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.