Home / 885,903.60-1,328,855.40-738,937.20

Finding the Fourth Proportional to 885,903.60, 1,328,855.40 and 738,937.20

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Solution

The fourth proportional to 885,903.60, 1,328,855.40 and 738,937.20 is: 1,108,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,903.60 : 1,328,855.40 = 738,937.20 : x
  2. Step 2: Convert to fraction form
    885,903.60/1,328,855.40 = 738,937.20/x
  3. Step 3: Cross multiply
    885,903.60x = 1,328,855.40 × 738,937.20
  4. Step 4: Simplify right side
    885,903.60x = 981,940,688,480.88
  5. Step 5: Solve for x
    x = 981,940,688,480.88/885,903.60
  6. Step 6: Final answer
    x = 1,108,405.80

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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.