Home / 1,170,011.45-1,755,574.50-810,736.40

Finding the Fourth Proportional to 1,170,011.45, 1,755,574.50 and 810,736.40

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Solution

The fourth proportional to 1,170,011.45, 1,755,574.50 and 810,736.40 is: 1,216,490.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,011.45 : 1,755,574.50 = 810,736.40 : x
  2. Step 2: Convert to fraction form
    1,170,011.45/1,755,574.50 = 810,736.40/x
  3. Step 3: Cross multiply
    1,170,011.45x = 1,755,574.50 × 810,736.40
  4. Step 4: Simplify right side
    1,170,011.45x = 1,423,308,150,061.80
  5. Step 5: Solve for x
    x = 1,423,308,150,061.80/1,170,011.45
  6. Step 6: Final answer
    x = 1,216,490.79

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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.