Home / 1,186,348.29-1,637,190.60-727,715.76

Finding the Fourth Proportional to 1,186,348.29, 1,637,190.60 and 727,715.76

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Solution

The fourth proportional to 1,186,348.29, 1,637,190.60 and 727,715.76 is: 1,004,266.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,348.29 : 1,637,190.60 = 727,715.76 : x
  2. Step 2: Convert to fraction form
    1,186,348.29/1,637,190.60 = 727,715.76/x
  3. Step 3: Cross multiply
    1,186,348.29x = 1,637,190.60 × 727,715.76
  4. Step 4: Simplify right side
    1,186,348.29x = 1,191,409,401,743.86
  5. Step 5: Solve for x
    x = 1,191,409,401,743.86/1,186,348.29
  6. Step 6: Final answer
    x = 1,004,266.13

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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.