Home / 1,050,464.64-1,449,621.51-642,536.52

Finding the Fourth Proportional to 1,050,464.64, 1,449,621.51 and 642,536.52

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Solution

The fourth proportional to 1,050,464.64, 1,449,621.51 and 642,536.52 is: 886,688.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,464.64 : 1,449,621.51 = 642,536.52 : x
  2. Step 2: Convert to fraction form
    1,050,464.64/1,449,621.51 = 642,536.52/x
  3. Step 3: Cross multiply
    1,050,464.64x = 1,449,621.51 × 642,536.52
  4. Step 4: Simplify right side
    1,050,464.64x = 931,434,760,352.55
  5. Step 5: Solve for x
    x = 931,434,760,352.55/1,050,464.64
  6. Step 6: Final answer
    x = 886,688.35

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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.