Home / 1,480,756.32-2,220,788.16-415,900.80

Finding the Fourth Proportional to 1,480,756.32, 2,220,788.16 and 415,900.80

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Solution

The fourth proportional to 1,480,756.32, 2,220,788.16 and 415,900.80 is: 623,753.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,756.32 : 2,220,788.16 = 415,900.80 : x
  2. Step 2: Convert to fraction form
    1,480,756.32/2,220,788.16 = 415,900.80/x
  3. Step 3: Cross multiply
    1,480,756.32x = 2,220,788.16 × 415,900.80
  4. Step 4: Simplify right side
    1,480,756.32x = 923,627,572,374.53
  5. Step 5: Solve for x
    x = 923,627,572,374.53/1,480,756.32
  6. Step 6: Final answer
    x = 623,753.93

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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.