Home / 1,105,404.30-1,658,106.45-727,490.70

Finding the Fourth Proportional to 1,105,404.30, 1,658,106.45 and 727,490.70

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Solution

The fourth proportional to 1,105,404.30, 1,658,106.45 and 727,490.70 is: 1,091,236.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,404.30 : 1,658,106.45 = 727,490.70 : x
  2. Step 2: Convert to fraction form
    1,105,404.30/1,658,106.45 = 727,490.70/x
  3. Step 3: Cross multiply
    1,105,404.30x = 1,658,106.45 × 727,490.70
  4. Step 4: Simplify right side
    1,105,404.30x = 1,206,257,021,985.01
  5. Step 5: Solve for x
    x = 1,206,257,021,985.01/1,105,404.30
  6. Step 6: Final answer
    x = 1,091,236.05

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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.