Home / 1,370,446.80-2,055,767.40-423,893.76

Finding the Fourth Proportional to 1,370,446.80, 2,055,767.40 and 423,893.76

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Solution

The fourth proportional to 1,370,446.80, 2,055,767.40 and 423,893.76 is: 635,870.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,446.80 : 2,055,767.40 = 423,893.76 : x
  2. Step 2: Convert to fraction form
    1,370,446.80/2,055,767.40 = 423,893.76/x
  3. Step 3: Cross multiply
    1,370,446.80x = 2,055,767.40 × 423,893.76
  4. Step 4: Simplify right side
    1,370,446.80x = 871,426,972,871.42
  5. Step 5: Solve for x
    x = 871,426,972,871.42/1,370,446.80
  6. Step 6: Final answer
    x = 635,870.70

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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.