Home / 1,139,183.36-1,708,775.04-429,370.72

Finding the Fourth Proportional to 1,139,183.36, 1,708,775.04 and 429,370.72

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Solution

The fourth proportional to 1,139,183.36, 1,708,775.04 and 429,370.72 is: 644,056.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,183.36 : 1,708,775.04 = 429,370.72 : x
  2. Step 2: Convert to fraction form
    1,139,183.36/1,708,775.04 = 429,370.72/x
  3. Step 3: Cross multiply
    1,139,183.36x = 1,708,775.04 × 429,370.72
  4. Step 4: Simplify right side
    1,139,183.36x = 733,697,969,242.83
  5. Step 5: Solve for x
    x = 733,697,969,242.83/1,139,183.36
  6. Step 6: Final answer
    x = 644,056.08

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Double scale
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Similar ratio
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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.