Home / 1,788,593.40-2,682,890.10-458,897.40

Finding the Fourth Proportional to 1,788,593.40, 2,682,890.10 and 458,897.40

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Solution

The fourth proportional to 1,788,593.40, 2,682,890.10 and 458,897.40 is: 688,346.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,593.40 : 2,682,890.10 = 458,897.40 : x
  2. Step 2: Convert to fraction form
    1,788,593.40/2,682,890.10 = 458,897.40/x
  3. Step 3: Cross multiply
    1,788,593.40x = 2,682,890.10 × 458,897.40
  4. Step 4: Simplify right side
    1,788,593.40x = 1,231,171,291,375.74
  5. Step 5: Solve for x
    x = 1,231,171,291,375.74/1,788,593.40
  6. Step 6: Final answer
    x = 688,346.10

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Double scale
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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.