Home / 1,021,714.80-1,532,572.20-909,521.70

Finding the Fourth Proportional to 1,021,714.80, 1,532,572.20 and 909,521.70

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Solution

The fourth proportional to 1,021,714.80, 1,532,572.20 and 909,521.70 is: 1,364,282.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,714.80 : 1,532,572.20 = 909,521.70 : x
  2. Step 2: Convert to fraction form
    1,021,714.80/1,532,572.20 = 909,521.70/x
  3. Step 3: Cross multiply
    1,021,714.80x = 1,532,572.20 × 909,521.70
  4. Step 4: Simplify right side
    1,021,714.80x = 1,393,907,672,716.74
  5. Step 5: Solve for x
    x = 1,393,907,672,716.74/1,021,714.80
  6. Step 6: Final answer
    x = 1,364,282.55

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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.