Home / 1,642,813.04-2,267,015.64-917,649.20

Finding the Fourth Proportional to 1,642,813.04, 2,267,015.64 and 917,649.20

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Solution

The fourth proportional to 1,642,813.04, 2,267,015.64 and 917,649.20 is: 1,266,318.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,813.04 : 2,267,015.64 = 917,649.20 : x
  2. Step 2: Convert to fraction form
    1,642,813.04/2,267,015.64 = 917,649.20/x
  3. Step 3: Cross multiply
    1,642,813.04x = 2,267,015.64 × 917,649.20
  4. Step 4: Simplify right side
    1,642,813.04x = 2,080,325,088,433.49
  5. Step 5: Solve for x
    x = 2,080,325,088,433.49/1,642,813.04
  6. Step 6: Final answer
    x = 1,266,318.83

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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.