Home / 1,015,247.72-1,401,189-585,442.28

Finding the Fourth Proportional to 1,015,247.72, 1,401,189 and 585,442.28

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Solution

The fourth proportional to 1,015,247.72, 1,401,189 and 585,442.28 is: 807,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,247.72 : 1,401,189 = 585,442.28 : x
  2. Step 2: Convert to fraction form
    1,015,247.72/1,401,189 = 585,442.28/x
  3. Step 3: Cross multiply
    1,015,247.72x = 1,401,189 × 585,442.28
  4. Step 4: Simplify right side
    1,015,247.72x = 820,315,282,870.92
  5. Step 5: Solve for x
    x = 820,315,282,870.92/1,015,247.72
  6. Step 6: Final answer
    x = 807,995.20

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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.