Home / 1,259,226.40-1,737,681.72-686,254.24

Finding the Fourth Proportional to 1,259,226.40, 1,737,681.72 and 686,254.24

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Solution

The fourth proportional to 1,259,226.40, 1,737,681.72 and 686,254.24 is: 947,003.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,226.40 : 1,737,681.72 = 686,254.24 : x
  2. Step 2: Convert to fraction form
    1,259,226.40/1,737,681.72 = 686,254.24/x
  3. Step 3: Cross multiply
    1,259,226.40x = 1,737,681.72 × 686,254.24
  4. Step 4: Simplify right side
    1,259,226.40x = 1,192,491,448,120.49
  5. Step 5: Solve for x
    x = 1,192,491,448,120.49/1,259,226.40
  6. Step 6: Final answer
    x = 947,003.21

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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.