Home / 1,460,808.72-2,015,911.80-816,229.40

Finding the Fourth Proportional to 1,460,808.72, 2,015,911.80 and 816,229.40

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Solution

The fourth proportional to 1,460,808.72, 2,015,911.80 and 816,229.40 is: 1,126,394.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460,808.72 : 2,015,911.80 = 816,229.40 : x
  2. Step 2: Convert to fraction form
    1,460,808.72/2,015,911.80 = 816,229.40/x
  3. Step 3: Cross multiply
    1,460,808.72x = 2,015,911.80 × 816,229.40
  4. Step 4: Simplify right side
    1,460,808.72x = 1,645,446,478,966.92
  5. Step 5: Solve for x
    x = 1,645,446,478,966.92/1,460,808.72
  6. Step 6: Final answer
    x = 1,126,394.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.