Home / 1,237,075.20-1,854,532.80-479,433.60

Finding the Fourth Proportional to 1,237,075.20, 1,854,532.80 and 479,433.60

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Solution

The fourth proportional to 1,237,075.20, 1,854,532.80 and 479,433.60 is: 718,731.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,075.20 : 1,854,532.80 = 479,433.60 : x
  2. Step 2: Convert to fraction form
    1,237,075.20/1,854,532.80 = 479,433.60/x
  3. Step 3: Cross multiply
    1,237,075.20x = 1,854,532.80 × 479,433.60
  4. Step 4: Simplify right side
    1,237,075.20x = 889,125,336,622.08
  5. Step 5: Solve for x
    x = 889,125,336,622.08/1,237,075.20
  6. Step 6: Final answer
    x = 718,731.84

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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.