Home / 1,039,507.10-1,560,244.80-889,916.30

Finding the Fourth Proportional to 1,039,507.10, 1,560,244.80 and 889,916.30

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Solution

The fourth proportional to 1,039,507.10, 1,560,244.80 and 889,916.30 is: 1,335,716.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,507.10 : 1,560,244.80 = 889,916.30 : x
  2. Step 2: Convert to fraction form
    1,039,507.10/1,560,244.80 = 889,916.30/x
  3. Step 3: Cross multiply
    1,039,507.10x = 1,560,244.80 × 889,916.30
  4. Step 4: Simplify right side
    1,039,507.10x = 1,388,487,279,510.24
  5. Step 5: Solve for x
    x = 1,388,487,279,510.24/1,039,507.10
  6. Step 6: Final answer
    x = 1,335,716.98

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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.