Home / 1,643,374.59-2,267,814.60-918,228.27

Finding the Fourth Proportional to 1,643,374.59, 2,267,814.60 and 918,228.27

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Solution

The fourth proportional to 1,643,374.59, 2,267,814.60 and 918,228.27 is: 1,267,131.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,374.59 : 2,267,814.60 = 918,228.27 : x
  2. Step 2: Convert to fraction form
    1,643,374.59/2,267,814.60 = 918,228.27/x
  3. Step 3: Cross multiply
    1,643,374.59x = 2,267,814.60 × 918,228.27
  4. Step 4: Simplify right side
    1,643,374.59x = 2,082,371,476,838.74
  5. Step 5: Solve for x
    x = 2,082,371,476,838.74/1,643,374.59
  6. Step 6: Final answer
    x = 1,267,131.36

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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.