Home / 1,455,136.70-2,008,123.71-810,567.14

Finding the Fourth Proportional to 1,455,136.70, 2,008,123.71 and 810,567.14

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Solution

The fourth proportional to 1,455,136.70, 2,008,123.71 and 810,567.14 is: 1,118,602.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,136.70 : 2,008,123.71 = 810,567.14 : x
  2. Step 2: Convert to fraction form
    1,455,136.70/2,008,123.71 = 810,567.14/x
  3. Step 3: Cross multiply
    1,455,136.70x = 2,008,123.71 × 810,567.14
  4. Step 4: Simplify right side
    1,455,136.70x = 1,627,719,092,380.89
  5. Step 5: Solve for x
    x = 1,627,719,092,380.89/1,455,136.70
  6. Step 6: Final answer
    x = 1,118,602.19

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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.