Home / 1,094,079.78-1,508,639.85-711,396.90

Finding the Fourth Proportional to 1,094,079.78, 1,508,639.85 and 711,396.90

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Solution

The fourth proportional to 1,094,079.78, 1,508,639.85 and 711,396.90 is: 980,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,079.78 : 1,508,639.85 = 711,396.90 : x
  2. Step 2: Convert to fraction form
    1,094,079.78/1,508,639.85 = 711,396.90/x
  3. Step 3: Cross multiply
    1,094,079.78x = 1,508,639.85 × 711,396.90
  4. Step 4: Simplify right side
    1,094,079.78x = 1,073,241,712,506.47
  5. Step 5: Solve for x
    x = 1,073,241,712,506.47/1,094,079.78
  6. Step 6: Final answer
    x = 980,953.80

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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.