Home / 1,577,039.78-2,365,559.42-378,962.10

Finding the Fourth Proportional to 1,577,039.78, 2,365,559.42 and 378,962.10

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Solution

The fourth proportional to 1,577,039.78, 2,365,559.42 and 378,962.10 is: 568,443.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,039.78 : 2,365,559.42 = 378,962.10 : x
  2. Step 2: Convert to fraction form
    1,577,039.78/2,365,559.42 = 378,962.10/x
  3. Step 3: Cross multiply
    1,577,039.78x = 2,365,559.42 × 378,962.10
  4. Step 4: Simplify right side
    1,577,039.78x = 896,457,363,583.17
  5. Step 5: Solve for x
    x = 896,457,363,583.17/1,577,039.78
  6. Step 6: Final answer
    x = 568,443.09

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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.