Home / 890,972.37-1,333,265.88-771,441.66

Finding the Fourth Proportional to 890,972.37, 1,333,265.88 and 771,441.66

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Solution

The fourth proportional to 890,972.37, 1,333,265.88 and 771,441.66 is: 1,154,398.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,972.37 : 1,333,265.88 = 771,441.66 : x
  2. Step 2: Convert to fraction form
    890,972.37/1,333,265.88 = 771,441.66/x
  3. Step 3: Cross multiply
    890,972.37x = 1,333,265.88 × 771,441.66
  4. Step 4: Simplify right side
    890,972.37x = 1,028,536,843,688.56
  5. Step 5: Solve for x
    x = 1,028,536,843,688.56/890,972.37
  6. Step 6: Final answer
    x = 1,154,398.14

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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.