Home / 1,551,640.80-2,327,461.20-429,709.80

Finding the Fourth Proportional to 1,551,640.80, 2,327,461.20 and 429,709.80

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Solution

The fourth proportional to 1,551,640.80, 2,327,461.20 and 429,709.80 is: 644,564.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,640.80 : 2,327,461.20 = 429,709.80 : x
  2. Step 2: Convert to fraction form
    1,551,640.80/2,327,461.20 = 429,709.80/x
  3. Step 3: Cross multiply
    1,551,640.80x = 2,327,461.20 × 429,709.80
  4. Step 4: Simplify right side
    1,551,640.80x = 1,000,132,886,759.76
  5. Step 5: Solve for x
    x = 1,000,132,886,759.76/1,551,640.80
  6. Step 6: Final answer
    x = 644,564.70

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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.