Home / 803,722.80-1,205,584.20-740,737.20

Finding the Fourth Proportional to 803,722.80, 1,205,584.20 and 740,737.20

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Solution

The fourth proportional to 803,722.80, 1,205,584.20 and 740,737.20 is: 1,111,105.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,722.80 : 1,205,584.20 = 740,737.20 : x
  2. Step 2: Convert to fraction form
    803,722.80/1,205,584.20 = 740,737.20/x
  3. Step 3: Cross multiply
    803,722.80x = 1,205,584.20 × 740,737.20
  4. Step 4: Simplify right side
    803,722.80x = 893,021,064,672.24
  5. Step 5: Solve for x
    x = 893,021,064,672.24/803,722.80
  6. Step 6: Final answer
    x = 1,111,105.80

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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.