Home / 1,217,671.32-1,680,051.33-758,860.32

Finding the Fourth Proportional to 1,217,671.32, 1,680,051.33 and 758,860.32

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Solution

The fourth proportional to 1,217,671.32, 1,680,051.33 and 758,860.32 is: 1,047,018.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,671.32 : 1,680,051.33 = 758,860.32 : x
  2. Step 2: Convert to fraction form
    1,217,671.32/1,680,051.33 = 758,860.32/x
  3. Step 3: Cross multiply
    1,217,671.32x = 1,680,051.33 × 758,860.32
  4. Step 4: Simplify right side
    1,217,671.32x = 1,274,924,289,900.23
  5. Step 5: Solve for x
    x = 1,274,924,289,900.23/1,217,671.32
  6. Step 6: Final answer
    x = 1,047,018.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.