Home / 1,029,170.40-1,543,609.80-319,270.20

Finding the Fourth Proportional to 1,029,170.40, 1,543,609.80 and 319,270.20

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Solution

The fourth proportional to 1,029,170.40, 1,543,609.80 and 319,270.20 is: 478,860.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,170.40 : 1,543,609.80 = 319,270.20 : x
  2. Step 2: Convert to fraction form
    1,029,170.40/1,543,609.80 = 319,270.20/x
  3. Step 3: Cross multiply
    1,029,170.40x = 1,543,609.80 × 319,270.20
  4. Step 4: Simplify right side
    1,029,170.40x = 492,828,609,567.96
  5. Step 5: Solve for x
    x = 492,828,609,567.96/1,029,170.40
  6. Step 6: Final answer
    x = 478,860.07

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1.5x scale

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.