Home / 1,015,318.08-1,401,090.72-607,644

Finding the Fourth Proportional to 1,015,318.08, 1,401,090.72 and 607,644

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Solution

The fourth proportional to 1,015,318.08, 1,401,090.72 and 607,644 is: 838,519.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,318.08 : 1,401,090.72 = 607,644 : x
  2. Step 2: Convert to fraction form
    1,015,318.08/1,401,090.72 = 607,644/x
  3. Step 3: Cross multiply
    1,015,318.08x = 1,401,090.72 × 607,644
  4. Step 4: Simplify right side
    1,015,318.08x = 851,364,369,463.68
  5. Step 5: Solve for x
    x = 851,364,369,463.68/1,015,318.08
  6. Step 6: Final answer
    x = 838,519.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.