Home / 1,007,511.40-1,511,612.70-446,948.20

Finding the Fourth Proportional to 1,007,511.40, 1,511,612.70 and 446,948.20

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Solution

The fourth proportional to 1,007,511.40, 1,511,612.70 and 446,948.20 is: 670,575.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,511.40 : 1,511,612.70 = 446,948.20 : x
  2. Step 2: Convert to fraction form
    1,007,511.40/1,511,612.70 = 446,948.20/x
  3. Step 3: Cross multiply
    1,007,511.40x = 1,511,612.70 × 446,948.20
  4. Step 4: Simplify right side
    1,007,511.40x = 675,612,575,362.14
  5. Step 5: Solve for x
    x = 675,612,575,362.14/1,007,511.40
  6. Step 6: Final answer
    x = 670,575.61

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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.