Home / 1,106,803.49-1,660,379.99-387,346.10

Finding the Fourth Proportional to 1,106,803.49, 1,660,379.99 and 387,346.10

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Solution

The fourth proportional to 1,106,803.49, 1,660,379.99 and 387,346.10 is: 581,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,803.49 : 1,660,379.99 = 387,346.10 : x
  2. Step 2: Convert to fraction form
    1,106,803.49/1,660,379.99 = 387,346.10/x
  3. Step 3: Cross multiply
    1,106,803.49x = 1,660,379.99 × 387,346.10
  4. Step 4: Simplify right side
    1,106,803.49x = 643,141,703,405.91
  5. Step 5: Solve for x
    x = 643,141,703,405.91/1,106,803.49
  6. Step 6: Final answer
    x = 581,080.30

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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.