Home / 818,423.10-1,226,496.74-711,588.15

Finding the Fourth Proportional to 818,423.10, 1,226,496.74 and 711,588.15

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Solution

The fourth proportional to 818,423.10, 1,226,496.74 and 711,588.15 is: 1,066,392.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,423.10 : 1,226,496.74 = 711,588.15 : x
  2. Step 2: Convert to fraction form
    818,423.10/1,226,496.74 = 711,588.15/x
  3. Step 3: Cross multiply
    818,423.10x = 1,226,496.74 × 711,588.15
  4. Step 4: Simplify right side
    818,423.10x = 872,760,542,639.69
  5. Step 5: Solve for x
    x = 872,760,542,639.69/818,423.10
  6. Step 6: Final answer
    x = 1,066,392.85

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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.