Home / 879,094.46-1,318,634.27-687,130.35

Finding the Fourth Proportional to 879,094.46, 1,318,634.27 and 687,130.35

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Solution

The fourth proportional to 879,094.46, 1,318,634.27 and 687,130.35 is: 1,030,689.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,094.46 : 1,318,634.27 = 687,130.35 : x
  2. Step 2: Convert to fraction form
    879,094.46/1,318,634.27 = 687,130.35/x
  3. Step 3: Cross multiply
    879,094.46x = 1,318,634.27 × 687,130.35
  4. Step 4: Simplify right side
    879,094.46x = 906,073,624,031.44
  5. Step 5: Solve for x
    x = 906,073,624,031.44/879,094.46
  6. Step 6: Final answer
    x = 1,030,689.73

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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.