Home / 1,436,655.13-2,154,993.49-637,721.89

Finding the Fourth Proportional to 1,436,655.13, 2,154,993.49 and 637,721.89

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Solution

The fourth proportional to 1,436,655.13, 2,154,993.49 and 637,721.89 is: 956,587.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,655.13 : 2,154,993.49 = 637,721.89 : x
  2. Step 2: Convert to fraction form
    1,436,655.13/2,154,993.49 = 637,721.89/x
  3. Step 3: Cross multiply
    1,436,655.13x = 2,154,993.49 × 637,721.89
  4. Step 4: Simplify right side
    1,436,655.13x = 1,374,286,521,380.50
  5. Step 5: Solve for x
    x = 1,374,286,521,380.50/1,436,655.13
  6. Step 6: Final answer
    x = 956,587.63

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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.