Home / 1,310,448.78-1,808,415.61-737,488.94

Finding the Fourth Proportional to 1,310,448.78, 1,808,415.61 and 737,488.94

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Solution

The fourth proportional to 1,310,448.78, 1,808,415.61 and 737,488.94 is: 1,017,732.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,448.78 : 1,808,415.61 = 737,488.94 : x
  2. Step 2: Convert to fraction form
    1,310,448.78/1,808,415.61 = 737,488.94/x
  3. Step 3: Cross multiply
    1,310,448.78x = 1,808,415.61 × 737,488.94
  4. Step 4: Simplify right side
    1,310,448.78x = 1,333,686,500,412.55
  5. Step 5: Solve for x
    x = 1,333,686,500,412.55/1,310,448.78
  6. Step 6: Final answer
    x = 1,017,732.64

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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.