Home / 1,170,009.60-1,755,014.40-328,588.80

Finding the Fourth Proportional to 1,170,009.60, 1,755,014.40 and 328,588.80

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Solution

The fourth proportional to 1,170,009.60, 1,755,014.40 and 328,588.80 is: 492,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,009.60 : 1,755,014.40 = 328,588.80 : x
  2. Step 2: Convert to fraction form
    1,170,009.60/1,755,014.40 = 328,588.80/x
  3. Step 3: Cross multiply
    1,170,009.60x = 1,755,014.40 × 328,588.80
  4. Step 4: Simplify right side
    1,170,009.60x = 576,678,075,678.72
  5. Step 5: Solve for x
    x = 576,678,075,678.72/1,170,009.60
  6. Step 6: Final answer
    x = 492,883.20

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Similar ratio
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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.