Home / 1,343,150.40-2,014,725.60-456,686.40

Finding the Fourth Proportional to 1,343,150.40, 2,014,725.60 and 456,686.40

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Solution

The fourth proportional to 1,343,150.40, 2,014,725.60 and 456,686.40 is: 685,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,150.40 : 2,014,725.60 = 456,686.40 : x
  2. Step 2: Convert to fraction form
    1,343,150.40/2,014,725.60 = 456,686.40/x
  3. Step 3: Cross multiply
    1,343,150.40x = 2,014,725.60 × 456,686.40
  4. Step 4: Simplify right side
    1,343,150.40x = 920,097,781,251.84
  5. Step 5: Solve for x
    x = 920,097,781,251.84/1,343,150.40
  6. Step 6: Final answer
    x = 685,029.60

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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.