Home / 1,310,997.42-1,966,496.13-470,139.66

Finding the Fourth Proportional to 1,310,997.42, 1,966,496.13 and 470,139.66

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Solution

The fourth proportional to 1,310,997.42, 1,966,496.13 and 470,139.66 is: 705,209.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,997.42 : 1,966,496.13 = 470,139.66 : x
  2. Step 2: Convert to fraction form
    1,310,997.42/1,966,496.13 = 470,139.66/x
  3. Step 3: Cross multiply
    1,310,997.42x = 1,966,496.13 × 470,139.66
  4. Step 4: Simplify right side
    1,310,997.42x = 924,527,821,949.52
  5. Step 5: Solve for x
    x = 924,527,821,949.52/1,310,997.42
  6. Step 6: Final answer
    x = 705,209.49

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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.