Home / 1,240,450.91-1,712,459.99-1,061,089.64

Finding the Fourth Proportional to 1,240,450.91, 1,712,459.99 and 1,061,089.64

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Solution

The fourth proportional to 1,240,450.91, 1,712,459.99 and 1,061,089.64 is: 1,464,849.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,450.91 : 1,712,459.99 = 1,061,089.64 : x
  2. Step 2: Convert to fraction form
    1,240,450.91/1,712,459.99 = 1,061,089.64/x
  3. Step 3: Cross multiply
    1,240,450.91x = 1,712,459.99 × 1,061,089.64
  4. Step 4: Simplify right side
    1,240,450.91x = 1,817,073,548,998.06
  5. Step 5: Solve for x
    x = 1,817,073,548,998.06/1,240,450.91
  6. Step 6: Final answer
    x = 1,464,849.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.