Home / 1,253,299.35-1,729,068.69-709,310.46

Finding the Fourth Proportional to 1,253,299.35, 1,729,068.69 and 709,310.46

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Solution

The fourth proportional to 1,253,299.35, 1,729,068.69 and 709,310.46 is: 978,574.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,299.35 : 1,729,068.69 = 709,310.46 : x
  2. Step 2: Convert to fraction form
    1,253,299.35/1,729,068.69 = 709,310.46/x
  3. Step 3: Cross multiply
    1,253,299.35x = 1,729,068.69 × 709,310.46
  4. Step 4: Simplify right side
    1,253,299.35x = 1,226,446,507,875.50
  5. Step 5: Solve for x
    x = 1,226,446,507,875.50/1,253,299.35
  6. Step 6: Final answer
    x = 978,574.28

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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.