Home / 1,042,206.52-1,437,102.88-678,956.75

Finding the Fourth Proportional to 1,042,206.52, 1,437,102.88 and 678,956.75

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Solution

The fourth proportional to 1,042,206.52, 1,437,102.88 and 678,956.75 is: 936,216.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,206.52 : 1,437,102.88 = 678,956.75 : x
  2. Step 2: Convert to fraction form
    1,042,206.52/1,437,102.88 = 678,956.75/x
  3. Step 3: Cross multiply
    1,042,206.52x = 1,437,102.88 × 678,956.75
  4. Step 4: Simplify right side
    1,042,206.52x = 975,730,702,517.83
  5. Step 5: Solve for x
    x = 975,730,702,517.83/1,042,206.52
  6. Step 6: Final answer
    x = 936,216.28

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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.