Home / 1,207,492.80-1,812,405.60-735,100.80

Finding the Fourth Proportional to 1,207,492.80, 1,812,405.60 and 735,100.80

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Solution

The fourth proportional to 1,207,492.80, 1,812,405.60 and 735,100.80 is: 1,103,361.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,492.80 : 1,812,405.60 = 735,100.80 : x
  2. Step 2: Convert to fraction form
    1,207,492.80/1,812,405.60 = 735,100.80/x
  3. Step 3: Cross multiply
    1,207,492.80x = 1,812,405.60 × 735,100.80
  4. Step 4: Simplify right side
    1,207,492.80x = 1,332,300,806,484.48
  5. Step 5: Solve for x
    x = 1,332,300,806,484.48/1,207,492.80
  6. Step 6: Final answer
    x = 1,103,361.28

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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.