Home / 1,423,008.60-2,133,821.70-791,251.80

Finding the Fourth Proportional to 1,423,008.60, 2,133,821.70 and 791,251.80

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Solution

The fourth proportional to 1,423,008.60, 2,133,821.70 and 791,251.80 is: 1,186,493.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,008.60 : 2,133,821.70 = 791,251.80 : x
  2. Step 2: Convert to fraction form
    1,423,008.60/2,133,821.70 = 791,251.80/x
  3. Step 3: Cross multiply
    1,423,008.60x = 2,133,821.70 × 791,251.80
  4. Step 4: Simplify right side
    1,423,008.60x = 1,688,390,261,004.06
  5. Step 5: Solve for x
    x = 1,688,390,261,004.06/1,423,008.60
  6. Step 6: Final answer
    x = 1,186,493.36

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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.