Home / 780,055.10-1,170,082.65-683,632.70

Finding the Fourth Proportional to 780,055.10, 1,170,082.65 and 683,632.70

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Solution

The fourth proportional to 780,055.10, 1,170,082.65 and 683,632.70 is: 1,025,449.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,055.10 : 1,170,082.65 = 683,632.70 : x
  2. Step 2: Convert to fraction form
    780,055.10/1,170,082.65 = 683,632.70/x
  3. Step 3: Cross multiply
    780,055.10x = 1,170,082.65 × 683,632.70
  4. Step 4: Simplify right side
    780,055.10x = 799,906,761,242.66
  5. Step 5: Solve for x
    x = 799,906,761,242.66/780,055.10
  6. Step 6: Final answer
    x = 1,025,449.05

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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.