Home / 1,810,310.13-2,715,814.87-688,291.89

Finding the Fourth Proportional to 1,810,310.13, 2,715,814.87 and 688,291.89

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Solution

The fourth proportional to 1,810,310.13, 2,715,814.87 and 688,291.89 is: 1,032,570.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810,310.13 : 2,715,814.87 = 688,291.89 : x
  2. Step 2: Convert to fraction form
    1,810,310.13/2,715,814.87 = 688,291.89/x
  3. Step 3: Cross multiply
    1,810,310.13x = 2,715,814.87 × 688,291.89
  4. Step 4: Simplify right side
    1,810,310.13x = 1,869,273,349,762.40
  5. Step 5: Solve for x
    x = 1,869,273,349,762.40/1,810,310.13
  6. Step 6: Final answer
    x = 1,032,570.78

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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.