Home / 726,048.20-1,086,998.70-705,312.20

Finding the Fourth Proportional to 726,048.20, 1,086,998.70 and 705,312.20

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Solution

The fourth proportional to 726,048.20, 1,086,998.70 and 705,312.20 is: 1,055,953.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,048.20 : 1,086,998.70 = 705,312.20 : x
  2. Step 2: Convert to fraction form
    726,048.20/1,086,998.70 = 705,312.20/x
  3. Step 3: Cross multiply
    726,048.20x = 1,086,998.70 × 705,312.20
  4. Step 4: Simplify right side
    726,048.20x = 766,673,444,494.14
  5. Step 5: Solve for x
    x = 766,673,444,494.14/726,048.20
  6. Step 6: Final answer
    x = 1,055,953.92

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1.5x scale

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.