Home / 1,007,982-1,511,945.34-439,362.74

Finding the Fourth Proportional to 1,007,982, 1,511,945.34 and 439,362.74

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Solution

The fourth proportional to 1,007,982, 1,511,945.34 and 439,362.74 is: 659,032.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,982 : 1,511,945.34 = 439,362.74 : x
  2. Step 2: Convert to fraction form
    1,007,982/1,511,945.34 = 439,362.74/x
  3. Step 3: Cross multiply
    1,007,982x = 1,511,945.34 × 439,362.74
  4. Step 4: Simplify right side
    1,007,982x = 664,292,447,312.63
  5. Step 5: Solve for x
    x = 664,292,447,312.63/1,007,982
  6. Step 6: Final answer
    x = 659,032.05

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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.