Home / 1,120,267.65-1,680,398.91-480,156.33

Finding the Fourth Proportional to 1,120,267.65, 1,680,398.91 and 480,156.33

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Solution

The fourth proportional to 1,120,267.65, 1,680,398.91 and 480,156.33 is: 720,233.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,267.65 : 1,680,398.91 = 480,156.33 : x
  2. Step 2: Convert to fraction form
    1,120,267.65/1,680,398.91 = 480,156.33/x
  3. Step 3: Cross multiply
    1,120,267.65x = 1,680,398.91 × 480,156.33
  4. Step 4: Simplify right side
    1,120,267.65x = 806,854,173,561.60
  5. Step 5: Solve for x
    x = 806,854,173,561.60/1,120,267.65
  6. Step 6: Final answer
    x = 720,233.40

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Double scale
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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.