Home / 1,424,935.80-2,137,403.70-359,980.92

Finding the Fourth Proportional to 1,424,935.80, 2,137,403.70 and 359,980.92

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Solution

The fourth proportional to 1,424,935.80, 2,137,403.70 and 359,980.92 is: 539,971.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,935.80 : 2,137,403.70 = 359,980.92 : x
  2. Step 2: Convert to fraction form
    1,424,935.80/2,137,403.70 = 359,980.92/x
  3. Step 3: Cross multiply
    1,424,935.80x = 2,137,403.70 × 359,980.92
  4. Step 4: Simplify right side
    1,424,935.80x = 769,424,550,337.40
  5. Step 5: Solve for x
    x = 769,424,550,337.40/1,424,935.80
  6. Step 6: Final answer
    x = 539,971.38

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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.