Home / 780,065.60-1,170,098.40-683,643.20

Finding the Fourth Proportional to 780,065.60, 1,170,098.40 and 683,643.20

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Solution

The fourth proportional to 780,065.60, 1,170,098.40 and 683,643.20 is: 1,025,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,065.60 : 1,170,098.40 = 683,643.20 : x
  2. Step 2: Convert to fraction form
    780,065.60/1,170,098.40 = 683,643.20/x
  3. Step 3: Cross multiply
    780,065.60x = 1,170,098.40 × 683,643.20
  4. Step 4: Simplify right side
    780,065.60x = 799,929,814,490.88
  5. Step 5: Solve for x
    x = 799,929,814,490.88/780,065.60
  6. Step 6: Final answer
    x = 1,025,464.80

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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.