Home / 1,050,465.64-1,449,622.89-642,537.52

Finding the Fourth Proportional to 1,050,465.64, 1,449,622.89 and 642,537.52

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Solution

The fourth proportional to 1,050,465.64, 1,449,622.89 and 642,537.52 is: 886,689.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,465.64 : 1,449,622.89 = 642,537.52 : x
  2. Step 2: Convert to fraction form
    1,050,465.64/1,449,622.89 = 642,537.52/x
  3. Step 3: Cross multiply
    1,050,465.64x = 1,449,622.89 × 642,537.52
  4. Step 4: Simplify right side
    1,050,465.64x = 931,437,096,675.83
  5. Step 5: Solve for x
    x = 931,437,096,675.83/1,050,465.64
  6. Step 6: Final answer
    x = 886,689.73

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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.