Home / 1,519,872.72-2,280,437.10-666,502.80

Finding the Fourth Proportional to 1,519,872.72, 2,280,437.10 and 666,502.80

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Solution

The fourth proportional to 1,519,872.72, 2,280,437.10 and 666,502.80 is: 1,000,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,872.72 : 2,280,437.10 = 666,502.80 : x
  2. Step 2: Convert to fraction form
    1,519,872.72/2,280,437.10 = 666,502.80/x
  3. Step 3: Cross multiply
    1,519,872.72x = 2,280,437.10 × 666,502.80
  4. Step 4: Simplify right side
    1,519,872.72x = 1,519,917,712,373.88
  5. Step 5: Solve for x
    x = 1,519,917,712,373.88/1,519,872.72
  6. Step 6: Final answer
    x = 1,000,029.60

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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.