Home / 1,339,343.40-2,009,015.10-452,879.40

Finding the Fourth Proportional to 1,339,343.40, 2,009,015.10 and 452,879.40

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Solution

The fourth proportional to 1,339,343.40, 2,009,015.10 and 452,879.40 is: 679,319.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,343.40 : 2,009,015.10 = 452,879.40 : x
  2. Step 2: Convert to fraction form
    1,339,343.40/2,009,015.10 = 452,879.40/x
  3. Step 3: Cross multiply
    1,339,343.40x = 2,009,015.10 × 452,879.40
  4. Step 4: Simplify right side
    1,339,343.40x = 909,841,553,078.94
  5. Step 5: Solve for x
    x = 909,841,553,078.94/1,339,343.40
  6. Step 6: Final answer
    x = 679,319.10

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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.