Home / 1,447,746.84-2,171,636.98-436,877.55

Finding the Fourth Proportional to 1,447,746.84, 2,171,636.98 and 436,877.55

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Solution

The fourth proportional to 1,447,746.84, 2,171,636.98 and 436,877.55 is: 655,321.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,746.84 : 2,171,636.98 = 436,877.55 : x
  2. Step 2: Convert to fraction form
    1,447,746.84/2,171,636.98 = 436,877.55/x
  3. Step 3: Cross multiply
    1,447,746.84x = 2,171,636.98 × 436,877.55
  4. Step 4: Simplify right side
    1,447,746.84x = 948,739,443,311.80
  5. Step 5: Solve for x
    x = 948,739,443,311.80/1,447,746.84
  6. Step 6: Final answer
    x = 655,321.37

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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.