Home / 1,029,661.60-1,544,492.40-319,907.20

Finding the Fourth Proportional to 1,029,661.60, 1,544,492.40 and 319,907.20

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Solution

The fourth proportional to 1,029,661.60, 1,544,492.40 and 319,907.20 is: 479,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,661.60 : 1,544,492.40 = 319,907.20 : x
  2. Step 2: Convert to fraction form
    1,029,661.60/1,544,492.40 = 319,907.20/x
  3. Step 3: Cross multiply
    1,029,661.60x = 1,544,492.40 × 319,907.20
  4. Step 4: Simplify right side
    1,029,661.60x = 494,094,239,105.28
  5. Step 5: Solve for x
    x = 494,094,239,105.28/1,029,661.60
  6. Step 6: Final answer
    x = 479,860.80

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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.