Home / 1,385,012.67-1,897,458.50-1,333,219.70

Finding the Fourth Proportional to 1,385,012.67, 1,897,458.50 and 1,333,219.70

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Solution

The fourth proportional to 1,385,012.67, 1,897,458.50 and 1,333,219.70 is: 1,826,502.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,012.67 : 1,897,458.50 = 1,333,219.70 : x
  2. Step 2: Convert to fraction form
    1,385,012.67/1,897,458.50 = 1,333,219.70/x
  3. Step 3: Cross multiply
    1,385,012.67x = 1,897,458.50 × 1,333,219.70
  4. Step 4: Simplify right side
    1,385,012.67x = 2,529,729,035,979.06
  5. Step 5: Solve for x
    x = 2,529,729,035,979.06/1,385,012.67
  6. Step 6: Final answer
    x = 1,826,502.45

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.