Home / 1,209,075.20-1,812,057.60-735,257.60

Finding the Fourth Proportional to 1,209,075.20, 1,812,057.60 and 735,257.60

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Solution

The fourth proportional to 1,209,075.20, 1,812,057.60 and 735,257.60 is: 1,101,940.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,075.20 : 1,812,057.60 = 735,257.60 : x
  2. Step 2: Convert to fraction form
    1,209,075.20/1,812,057.60 = 735,257.60/x
  3. Step 3: Cross multiply
    1,209,075.20x = 1,812,057.60 × 735,257.60
  4. Step 4: Simplify right side
    1,209,075.20x = 1,332,329,122,037.76
  5. Step 5: Solve for x
    x = 1,332,329,122,037.76/1,209,075.20
  6. Step 6: Final answer
    x = 1,101,940.66

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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.