Home / 1,103,282.70-1,655,118.45-393,722.70

Finding the Fourth Proportional to 1,103,282.70, 1,655,118.45 and 393,722.70

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Solution

The fourth proportional to 1,103,282.70, 1,655,118.45 and 393,722.70 is: 590,653.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,282.70 : 1,655,118.45 = 393,722.70 : x
  2. Step 2: Convert to fraction form
    1,103,282.70/1,655,118.45 = 393,722.70/x
  3. Step 3: Cross multiply
    1,103,282.70x = 1,655,118.45 × 393,722.70
  4. Step 4: Simplify right side
    1,103,282.70x = 651,657,704,953.82
  5. Step 5: Solve for x
    x = 651,657,704,953.82/1,103,282.70
  6. Step 6: Final answer
    x = 590,653.42

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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.