Home / 1,240,022.80-1,860,034.20-530,851.60

Finding the Fourth Proportional to 1,240,022.80, 1,860,034.20 and 530,851.60

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Solution

The fourth proportional to 1,240,022.80, 1,860,034.20 and 530,851.60 is: 796,277.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,022.80 : 1,860,034.20 = 530,851.60 : x
  2. Step 2: Convert to fraction form
    1,240,022.80/1,860,034.20 = 530,851.60/x
  3. Step 3: Cross multiply
    1,240,022.80x = 1,860,034.20 × 530,851.60
  4. Step 4: Simplify right side
    1,240,022.80x = 987,402,131,124.72
  5. Step 5: Solve for x
    x = 987,402,131,124.72/1,240,022.80
  6. Step 6: Final answer
    x = 796,277.40

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Similar ratio
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1.5x scale

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.