Home / 808,861.40-1,213,292.10-748,035.80

Finding the Fourth Proportional to 808,861.40, 1,213,292.10 and 748,035.80

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Solution

The fourth proportional to 808,861.40, 1,213,292.10 and 748,035.80 is: 1,122,053.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,861.40 : 1,213,292.10 = 748,035.80 : x
  2. Step 2: Convert to fraction form
    808,861.40/1,213,292.10 = 748,035.80/x
  3. Step 3: Cross multiply
    808,861.40x = 1,213,292.10 × 748,035.80
  4. Step 4: Simplify right side
    808,861.40x = 907,585,926,657.18
  5. Step 5: Solve for x
    x = 907,585,926,657.18/808,861.40
  6. Step 6: Final answer
    x = 1,122,053.70

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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.