Home / 1,311,003.42-1,966,505.13-470,145.66

Finding the Fourth Proportional to 1,311,003.42, 1,966,505.13 and 470,145.66

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Solution

The fourth proportional to 1,311,003.42, 1,966,505.13 and 470,145.66 is: 705,218.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,003.42 : 1,966,505.13 = 470,145.66 : x
  2. Step 2: Convert to fraction form
    1,311,003.42/1,966,505.13 = 470,145.66/x
  3. Step 3: Cross multiply
    1,311,003.42x = 1,966,505.13 × 470,145.66
  4. Step 4: Simplify right side
    1,311,003.42x = 924,543,852,237.24
  5. Step 5: Solve for x
    x = 924,543,852,237.24/1,311,003.42
  6. Step 6: Final answer
    x = 705,218.49

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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.