Home / 1,035,272.40-1,553,783.40-404,638.80

Finding the Fourth Proportional to 1,035,272.40, 1,553,783.40 and 404,638.80

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Solution

The fourth proportional to 1,035,272.40, 1,553,783.40 and 404,638.80 is: 607,300.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,272.40 : 1,553,783.40 = 404,638.80 : x
  2. Step 2: Convert to fraction form
    1,035,272.40/1,553,783.40 = 404,638.80/x
  3. Step 3: Cross multiply
    1,035,272.40x = 1,553,783.40 × 404,638.80
  4. Step 4: Simplify right side
    1,035,272.40x = 628,721,050,435.92
  5. Step 5: Solve for x
    x = 628,721,050,435.92/1,035,272.40
  6. Step 6: Final answer
    x = 607,300.12

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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.