Home / 935,753.70-1,402,653.62-678,965.88

Finding the Fourth Proportional to 935,753.70, 1,402,653.62 and 678,965.88

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Solution

The fourth proportional to 935,753.70, 1,402,653.62 and 678,965.88 is: 1,017,739.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,753.70 : 1,402,653.62 = 678,965.88 : x
  2. Step 2: Convert to fraction form
    935,753.70/1,402,653.62 = 678,965.88/x
  3. Step 3: Cross multiply
    935,753.70x = 1,402,653.62 × 678,965.88
  4. Step 4: Simplify right side
    935,753.70x = 952,353,949,438.49
  5. Step 5: Solve for x
    x = 952,353,949,438.49/935,753.70
  6. Step 6: Final answer
    x = 1,017,739.98

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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.