Home / 1,607,431.52-2,218,223.82-909,699.42

Finding the Fourth Proportional to 1,607,431.52, 2,218,223.82 and 909,699.42

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Solution

The fourth proportional to 1,607,431.52, 2,218,223.82 and 909,699.42 is: 1,255,367.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607,431.52 : 2,218,223.82 = 909,699.42 : x
  2. Step 2: Convert to fraction form
    1,607,431.52/2,218,223.82 = 909,699.42/x
  3. Step 3: Cross multiply
    1,607,431.52x = 2,218,223.82 × 909,699.42
  4. Step 4: Simplify right side
    1,607,431.52x = 2,017,916,922,484.18
  5. Step 5: Solve for x
    x = 2,017,916,922,484.18/1,607,431.52
  6. Step 6: Final answer
    x = 1,255,367.27

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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.