Home / 1,365,348.96-2,047,946.76-418,717.08

Finding the Fourth Proportional to 1,365,348.96, 2,047,946.76 and 418,717.08

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Solution

The fourth proportional to 1,365,348.96, 2,047,946.76 and 418,717.08 is: 628,052.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,348.96 : 2,047,946.76 = 418,717.08 : x
  2. Step 2: Convert to fraction form
    1,365,348.96/2,047,946.76 = 418,717.08/x
  3. Step 3: Cross multiply
    1,365,348.96x = 2,047,946.76 × 418,717.08
  4. Step 4: Simplify right side
    1,365,348.96x = 857,510,287,342.66
  5. Step 5: Solve for x
    x = 857,510,287,342.66/1,365,348.96
  6. Step 6: Final answer
    x = 628,052.10

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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.