Home / 1,119,771.04-1,679,312.04-320,838.52

Finding the Fourth Proportional to 1,119,771.04, 1,679,312.04 and 320,838.52

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Solution

The fourth proportional to 1,119,771.04, 1,679,312.04 and 320,838.52 is: 481,159.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,771.04 : 1,679,312.04 = 320,838.52 : x
  2. Step 2: Convert to fraction form
    1,119,771.04/1,679,312.04 = 320,838.52/x
  3. Step 3: Cross multiply
    1,119,771.04x = 1,679,312.04 × 320,838.52
  4. Step 4: Simplify right side
    1,119,771.04x = 538,787,989,531.78
  5. Step 5: Solve for x
    x = 538,787,989,531.78/1,119,771.04
  6. Step 6: Final answer
    x = 481,159.07

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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.