Home / 1,034,405.76-1,551,608.64-286,435.20

Finding the Fourth Proportional to 1,034,405.76, 1,551,608.64 and 286,435.20

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Solution

The fourth proportional to 1,034,405.76, 1,551,608.64 and 286,435.20 is: 429,652.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,405.76 : 1,551,608.64 = 286,435.20 : x
  2. Step 2: Convert to fraction form
    1,034,405.76/1,551,608.64 = 286,435.20/x
  3. Step 3: Cross multiply
    1,034,405.76x = 1,551,608.64 × 286,435.20
  4. Step 4: Simplify right side
    1,034,405.76x = 444,435,331,120.13
  5. Step 5: Solve for x
    x = 444,435,331,120.13/1,034,405.76
  6. Step 6: Final answer
    x = 429,652.80

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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.