Home / 1,810,309.13-2,715,813.37-688,290.89

Finding the Fourth Proportional to 1,810,309.13, 2,715,813.37 and 688,290.89

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Solution

The fourth proportional to 1,810,309.13, 2,715,813.37 and 688,290.89 is: 1,032,569.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810,309.13 : 2,715,813.37 = 688,290.89 : x
  2. Step 2: Convert to fraction form
    1,810,309.13/2,715,813.37 = 688,290.89/x
  3. Step 3: Cross multiply
    1,810,309.13x = 2,715,813.37 × 688,290.89
  4. Step 4: Simplify right side
    1,810,309.13x = 1,869,269,586,211.41
  5. Step 5: Solve for x
    x = 1,869,269,586,211.41/1,810,309.13
  6. Step 6: Final answer
    x = 1,032,569.28

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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.