Home / 1,123,903.70-1,685,272.35-413,566.10

Finding the Fourth Proportional to 1,123,903.70, 1,685,272.35 and 413,566.10

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Solution

The fourth proportional to 1,123,903.70, 1,685,272.35 and 413,566.10 is: 620,134.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,903.70 : 1,685,272.35 = 413,566.10 : x
  2. Step 2: Convert to fraction form
    1,123,903.70/1,685,272.35 = 413,566.10/x
  3. Step 3: Cross multiply
    1,123,903.70x = 1,685,272.35 × 413,566.10
  4. Step 4: Simplify right side
    1,123,903.70x = 696,971,513,227.34
  5. Step 5: Solve for x
    x = 696,971,513,227.34/1,123,903.70
  6. Step 6: Final answer
    x = 620,134.55

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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.