Home / 890,832.20-1,336,248.30-785,856.20

Finding the Fourth Proportional to 890,832.20, 1,336,248.30 and 785,856.20

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Solution

The fourth proportional to 890,832.20, 1,336,248.30 and 785,856.20 is: 1,178,784.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,832.20 : 1,336,248.30 = 785,856.20 : x
  2. Step 2: Convert to fraction form
    890,832.20/1,336,248.30 = 785,856.20/x
  3. Step 3: Cross multiply
    890,832.20x = 1,336,248.30 × 785,856.20
  4. Step 4: Simplify right side
    890,832.20x = 1,050,099,011,294.46
  5. Step 5: Solve for x
    x = 1,050,099,011,294.46/890,832.20
  6. Step 6: Final answer
    x = 1,178,784.30

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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.