Home / 1,270,916.17-1,753,857.96-690,134.13

Finding the Fourth Proportional to 1,270,916.17, 1,753,857.96 and 690,134.13

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Solution

The fourth proportional to 1,270,916.17, 1,753,857.96 and 690,134.13 is: 952,381.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,916.17 : 1,753,857.96 = 690,134.13 : x
  2. Step 2: Convert to fraction form
    1,270,916.17/1,753,857.96 = 690,134.13/x
  3. Step 3: Cross multiply
    1,270,916.17x = 1,753,857.96 × 690,134.13
  4. Step 4: Simplify right side
    1,270,916.17x = 1,210,397,237,368.17
  5. Step 5: Solve for x
    x = 1,210,397,237,368.17/1,270,916.17
  6. Step 6: Final answer
    x = 952,381.65

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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.