Home / 1,347,333.60-2,021,000.40-815,892.60

Finding the Fourth Proportional to 1,347,333.60, 2,021,000.40 and 815,892.60

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Solution

The fourth proportional to 1,347,333.60, 2,021,000.40 and 815,892.60 is: 1,223,838.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,333.60 : 2,021,000.40 = 815,892.60 : x
  2. Step 2: Convert to fraction form
    1,347,333.60/2,021,000.40 = 815,892.60/x
  3. Step 3: Cross multiply
    1,347,333.60x = 2,021,000.40 × 815,892.60
  4. Step 4: Simplify right side
    1,347,333.60x = 1,648,919,270,957.04
  5. Step 5: Solve for x
    x = 1,648,919,270,957.04/1,347,333.60
  6. Step 6: Final answer
    x = 1,223,838.90

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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.