Home / 1,643,410.74-2,267,902.03-918,259.03

Finding the Fourth Proportional to 1,643,410.74, 2,267,902.03 and 918,259.03

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Solution

The fourth proportional to 1,643,410.74, 2,267,902.03 and 918,259.03 is: 1,267,194.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,410.74 : 2,267,902.03 = 918,259.03 : x
  2. Step 2: Convert to fraction form
    1,643,410.74/2,267,902.03 = 918,259.03/x
  3. Step 3: Cross multiply
    1,643,410.74x = 2,267,902.03 × 918,259.03
  4. Step 4: Simplify right side
    1,643,410.74x = 2,082,521,502,272.03
  5. Step 5: Solve for x
    x = 2,082,521,502,272.03/1,643,410.74
  6. Step 6: Final answer
    x = 1,267,194.77

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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.