Home / 1,027,603.40-1,541,405.10-317,703.20

Finding the Fourth Proportional to 1,027,603.40, 1,541,405.10 and 317,703.20

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Solution

The fourth proportional to 1,027,603.40, 1,541,405.10 and 317,703.20 is: 476,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,603.40 : 1,541,405.10 = 317,703.20 : x
  2. Step 2: Convert to fraction form
    1,027,603.40/1,541,405.10 = 317,703.20/x
  3. Step 3: Cross multiply
    1,027,603.40x = 1,541,405.10 × 317,703.20
  4. Step 4: Simplify right side
    1,027,603.40x = 489,709,332,766.32
  5. Step 5: Solve for x
    x = 489,709,332,766.32/1,027,603.40
  6. Step 6: Final answer
    x = 476,554.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.