Home / 1,369,747.20-2,054,774.40-423,110.40

Finding the Fourth Proportional to 1,369,747.20, 2,054,774.40 and 423,110.40

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Solution

The fourth proportional to 1,369,747.20, 2,054,774.40 and 423,110.40 is: 634,713.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,747.20 : 2,054,774.40 = 423,110.40 : x
  2. Step 2: Convert to fraction form
    1,369,747.20/2,054,774.40 = 423,110.40/x
  3. Step 3: Cross multiply
    1,369,747.20x = 2,054,774.40 × 423,110.40
  4. Step 4: Simplify right side
    1,369,747.20x = 869,396,418,293.76
  5. Step 5: Solve for x
    x = 869,396,418,293.76/1,369,747.20
  6. Step 6: Final answer
    x = 634,713.05

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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.