Home / 1,643,331.04-2,463,363.60-1,143,645.28

Finding the Fourth Proportional to 1,643,331.04, 2,463,363.60 and 1,143,645.28

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Solution

The fourth proportional to 1,643,331.04, 2,463,363.60 and 1,143,645.28 is: 1,714,331.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,331.04 : 2,463,363.60 = 1,143,645.28 : x
  2. Step 2: Convert to fraction form
    1,643,331.04/2,463,363.60 = 1,143,645.28/x
  3. Step 3: Cross multiply
    1,643,331.04x = 2,463,363.60 × 1,143,645.28
  4. Step 4: Simplify right side
    1,643,331.04x = 2,817,214,154,063.81
  5. Step 5: Solve for x
    x = 2,817,214,154,063.81/1,643,331.04
  6. Step 6: Final answer
    x = 1,714,331.49

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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.