Home / 1,601,278.80-2,209,709.76-913,172.13

Finding the Fourth Proportional to 1,601,278.80, 2,209,709.76 and 913,172.13

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Solution

The fourth proportional to 1,601,278.80, 2,209,709.76 and 913,172.13 is: 1,260,146.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601,278.80 : 2,209,709.76 = 913,172.13 : x
  2. Step 2: Convert to fraction form
    1,601,278.80/2,209,709.76 = 913,172.13/x
  3. Step 3: Cross multiply
    1,601,278.80x = 2,209,709.76 × 913,172.13
  4. Step 4: Simplify right side
    1,601,278.80x = 2,017,845,368,220.99
  5. Step 5: Solve for x
    x = 2,017,845,368,220.99/1,601,278.80
  6. Step 6: Final answer
    x = 1,260,146.18

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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.