Home / 1,160,219.84-1,598,120.16-820,103.36

Finding the Fourth Proportional to 1,160,219.84, 1,598,120.16 and 820,103.36

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Solution

The fourth proportional to 1,160,219.84, 1,598,120.16 and 820,103.36 is: 1,129,633.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,219.84 : 1,598,120.16 = 820,103.36 : x
  2. Step 2: Convert to fraction form
    1,160,219.84/1,598,120.16 = 820,103.36/x
  3. Step 3: Cross multiply
    1,160,219.84x = 1,598,120.16 × 820,103.36
  4. Step 4: Simplify right side
    1,160,219.84x = 1,310,623,712,899.74
  5. Step 5: Solve for x
    x = 1,310,623,712,899.74/1,160,219.84
  6. Step 6: Final answer
    x = 1,129,633.94

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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.