Home / 1,310,428.26-1,808,091.80-737,259.30

Finding the Fourth Proportional to 1,310,428.26, 1,808,091.80 and 737,259.30

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Solution

The fourth proportional to 1,310,428.26, 1,808,091.80 and 737,259.30 is: 1,017,249.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,428.26 : 1,808,091.80 = 737,259.30 : x
  2. Step 2: Convert to fraction form
    1,310,428.26/1,808,091.80 = 737,259.30/x
  3. Step 3: Cross multiply
    1,310,428.26x = 1,808,091.80 × 737,259.30
  4. Step 4: Simplify right side
    1,310,428.26x = 1,333,032,494,803.74
  5. Step 5: Solve for x
    x = 1,333,032,494,803.74/1,310,428.26
  6. Step 6: Final answer
    x = 1,017,249.50

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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.