Home / 1,519,871.72-2,280,435.60-666,501.80

Finding the Fourth Proportional to 1,519,871.72, 2,280,435.60 and 666,501.80

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Solution

The fourth proportional to 1,519,871.72, 2,280,435.60 and 666,501.80 is: 1,000,028.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,871.72 : 2,280,435.60 = 666,501.80 : x
  2. Step 2: Convert to fraction form
    1,519,871.72/2,280,435.60 = 666,501.80/x
  3. Step 3: Cross multiply
    1,519,871.72x = 2,280,435.60 × 666,501.80
  4. Step 4: Simplify right side
    1,519,871.72x = 1,519,914,432,184.08
  5. Step 5: Solve for x
    x = 1,519,914,432,184.08/1,519,871.72
  6. Step 6: Final answer
    x = 1,000,028.10

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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.