Home / 889,204.30-1,333,806.45-815,721.10

Finding the Fourth Proportional to 889,204.30, 1,333,806.45 and 815,721.10

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Solution

The fourth proportional to 889,204.30, 1,333,806.45 and 815,721.10 is: 1,223,581.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,204.30 : 1,333,806.45 = 815,721.10 : x
  2. Step 2: Convert to fraction form
    889,204.30/1,333,806.45 = 815,721.10/x
  3. Step 3: Cross multiply
    889,204.30x = 1,333,806.45 × 815,721.10
  4. Step 4: Simplify right side
    889,204.30x = 1,088,014,064,581.10
  5. Step 5: Solve for x
    x = 1,088,014,064,581.10/889,204.30
  6. Step 6: Final answer
    x = 1,223,581.65

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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.