Home / 1,678,555.64-2,518,577.70-879,647.24

Finding the Fourth Proportional to 1,678,555.64, 2,518,577.70 and 879,647.24

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Solution

The fourth proportional to 1,678,555.64, 2,518,577.70 and 879,647.24 is: 1,319,860.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,555.64 : 2,518,577.70 = 879,647.24 : x
  2. Step 2: Convert to fraction form
    1,678,555.64/2,518,577.70 = 879,647.24/x
  3. Step 3: Cross multiply
    1,678,555.64x = 2,518,577.70 × 879,647.24
  4. Step 4: Simplify right side
    1,678,555.64x = 2,215,459,922,530.55
  5. Step 5: Solve for x
    x = 2,215,459,922,530.55/1,678,555.64
  6. Step 6: Final answer
    x = 1,319,860.88

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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.