Home / 1,049,644.60-1,572,134.10-812,217.40

Finding the Fourth Proportional to 1,049,644.60, 1,572,134.10 and 812,217.40

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Solution

The fourth proportional to 1,049,644.60, 1,572,134.10 and 812,217.40 is: 1,216,520.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,644.60 : 1,572,134.10 = 812,217.40 : x
  2. Step 2: Convert to fraction form
    1,049,644.60/1,572,134.10 = 812,217.40/x
  3. Step 3: Cross multiply
    1,049,644.60x = 1,572,134.10 × 812,217.40
  4. Step 4: Simplify right side
    1,049,644.60x = 1,276,914,671,153.34
  5. Step 5: Solve for x
    x = 1,276,914,671,153.34/1,049,644.60
  6. Step 6: Final answer
    x = 1,216,520.97

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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.