Home / 1,039,420.47-1,559,185.71-329,503.89

Finding the Fourth Proportional to 1,039,420.47, 1,559,185.71 and 329,503.89

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Solution

The fourth proportional to 1,039,420.47, 1,559,185.71 and 329,503.89 is: 494,273.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,420.47 : 1,559,185.71 = 329,503.89 : x
  2. Step 2: Convert to fraction form
    1,039,420.47/1,559,185.71 = 329,503.89/x
  3. Step 3: Cross multiply
    1,039,420.47x = 1,559,185.71 × 329,503.89
  4. Step 4: Simplify right side
    1,039,420.47x = 513,757,756,677.41
  5. Step 5: Solve for x
    x = 513,757,756,677.41/1,039,420.47
  6. Step 6: Final answer
    x = 494,273.27

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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.