Home / 1,082,728.40-1,494,559.02-630,019.40

Finding the Fourth Proportional to 1,082,728.40, 1,494,559.02 and 630,019.40

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Solution

The fourth proportional to 1,082,728.40, 1,494,559.02 and 630,019.40 is: 869,655.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,728.40 : 1,494,559.02 = 630,019.40 : x
  2. Step 2: Convert to fraction form
    1,082,728.40/1,494,559.02 = 630,019.40/x
  3. Step 3: Cross multiply
    1,082,728.40x = 1,494,559.02 × 630,019.40
  4. Step 4: Simplify right side
    1,082,728.40x = 941,601,177,044.99
  5. Step 5: Solve for x
    x = 941,601,177,044.99/1,082,728.40
  6. Step 6: Final answer
    x = 869,655.93

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.