Home / 1,108,141.80-1,662,212.70-360,263.40

Finding the Fourth Proportional to 1,108,141.80, 1,662,212.70 and 360,263.40

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Solution

The fourth proportional to 1,108,141.80, 1,662,212.70 and 360,263.40 is: 540,395.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,141.80 : 1,662,212.70 = 360,263.40 : x
  2. Step 2: Convert to fraction form
    1,108,141.80/1,662,212.70 = 360,263.40/x
  3. Step 3: Cross multiply
    1,108,141.80x = 1,662,212.70 × 360,263.40
  4. Step 4: Simplify right side
    1,108,141.80x = 598,834,398,825.18
  5. Step 5: Solve for x
    x = 598,834,398,825.18/1,108,141.80
  6. Step 6: Final answer
    x = 540,395.10

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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.