Home / 1,329,981.60-1,995,231.60-531,127.20

Finding the Fourth Proportional to 1,329,981.60, 1,995,231.60 and 531,127.20

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Solution

The fourth proportional to 1,329,981.60, 1,995,231.60 and 531,127.20 is: 796,794.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,981.60 : 1,995,231.60 = 531,127.20 : x
  2. Step 2: Convert to fraction form
    1,329,981.60/1,995,231.60 = 531,127.20/x
  3. Step 3: Cross multiply
    1,329,981.60x = 1,995,231.60 × 531,127.20
  4. Step 4: Simplify right side
    1,329,981.60x = 1,059,721,773,059.52
  5. Step 5: Solve for x
    x = 1,059,721,773,059.52/1,329,981.60
  6. Step 6: Final answer
    x = 796,794.31

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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.