Home / 1,174,643.70-1,761,965.55-643,202.70

Finding the Fourth Proportional to 1,174,643.70, 1,761,965.55 and 643,202.70

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Solution

The fourth proportional to 1,174,643.70, 1,761,965.55 and 643,202.70 is: 964,804.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,643.70 : 1,761,965.55 = 643,202.70 : x
  2. Step 2: Convert to fraction form
    1,174,643.70/1,761,965.55 = 643,202.70/x
  3. Step 3: Cross multiply
    1,174,643.70x = 1,761,965.55 × 643,202.70
  4. Step 4: Simplify right side
    1,174,643.70x = 1,133,300,999,066.98
  5. Step 5: Solve for x
    x = 1,133,300,999,066.98/1,174,643.70
  6. Step 6: Final answer
    x = 964,804.05

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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.