Home / 1,120,355.70-1,680,533.55-372,401.70

Finding the Fourth Proportional to 1,120,355.70, 1,680,533.55 and 372,401.70

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Solution

The fourth proportional to 1,120,355.70, 1,680,533.55 and 372,401.70 is: 558,602.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,355.70 : 1,680,533.55 = 372,401.70 : x
  2. Step 2: Convert to fraction form
    1,120,355.70/1,680,533.55 = 372,401.70/x
  3. Step 3: Cross multiply
    1,120,355.70x = 1,680,533.55 × 372,401.70
  4. Step 4: Simplify right side
    1,120,355.70x = 625,833,550,927.04
  5. Step 5: Solve for x
    x = 625,833,550,927.04/1,120,355.70
  6. Step 6: Final answer
    x = 558,602.55

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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.