Home / 1,480,561.70-2,220,842.55-415,784.30

Finding the Fourth Proportional to 1,480,561.70, 2,220,842.55 and 415,784.30

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Solution

The fourth proportional to 1,480,561.70, 2,220,842.55 and 415,784.30 is: 623,676.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,561.70 : 2,220,842.55 = 415,784.30 : x
  2. Step 2: Convert to fraction form
    1,480,561.70/2,220,842.55 = 415,784.30/x
  3. Step 3: Cross multiply
    1,480,561.70x = 2,220,842.55 × 415,784.30
  4. Step 4: Simplify right side
    1,480,561.70x = 923,391,465,061.97
  5. Step 5: Solve for x
    x = 923,391,465,061.97/1,480,561.70
  6. Step 6: Final answer
    x = 623,676.45

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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.