Home / 1,050,470.10-1,449,628.92-642,541.95

Finding the Fourth Proportional to 1,050,470.10, 1,449,628.92 and 642,541.95

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Solution

The fourth proportional to 1,050,470.10, 1,449,628.92 and 642,541.95 is: 886,695.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,470.10 : 1,449,628.92 = 642,541.95 : x
  2. Step 2: Convert to fraction form
    1,050,470.10/1,449,628.92 = 642,541.95/x
  3. Step 3: Cross multiply
    1,050,470.10x = 1,449,628.92 × 642,541.95
  4. Step 4: Simplify right side
    1,050,470.10x = 931,447,393,033.19
  5. Step 5: Solve for x
    x = 931,447,393,033.19/1,050,470.10
  6. Step 6: Final answer
    x = 886,695.77

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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.