Home / 1,150,129.95-1,725,194.69-308,681.70

Finding the Fourth Proportional to 1,150,129.95, 1,725,194.69 and 308,681.70

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Solution

The fourth proportional to 1,150,129.95, 1,725,194.69 and 308,681.70 is: 463,022.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,129.95 : 1,725,194.69 = 308,681.70 : x
  2. Step 2: Convert to fraction form
    1,150,129.95/1,725,194.69 = 308,681.70/x
  3. Step 3: Cross multiply
    1,150,129.95x = 1,725,194.69 × 308,681.70
  4. Step 4: Simplify right side
    1,150,129.95x = 532,536,029,740.17
  5. Step 5: Solve for x
    x = 532,536,029,740.17/1,150,129.95
  6. Step 6: Final answer
    x = 463,022.49

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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.