Home / 1,304,295.80-1,956,443.70-989,367.80

Finding the Fourth Proportional to 1,304,295.80, 1,956,443.70 and 989,367.80

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Solution

The fourth proportional to 1,304,295.80, 1,956,443.70 and 989,367.80 is: 1,484,051.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,295.80 : 1,956,443.70 = 989,367.80 : x
  2. Step 2: Convert to fraction form
    1,304,295.80/1,956,443.70 = 989,367.80/x
  3. Step 3: Cross multiply
    1,304,295.80x = 1,956,443.70 × 989,367.80
  4. Step 4: Simplify right side
    1,304,295.80x = 1,935,642,399,292.86
  5. Step 5: Solve for x
    x = 1,935,642,399,292.86/1,304,295.80
  6. Step 6: Final answer
    x = 1,484,051.70

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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.