Home / 1,110,921.60-1,666,382.40-363,043.20

Finding the Fourth Proportional to 1,110,921.60, 1,666,382.40 and 363,043.20

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Solution

The fourth proportional to 1,110,921.60, 1,666,382.40 and 363,043.20 is: 544,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,921.60 : 1,666,382.40 = 363,043.20 : x
  2. Step 2: Convert to fraction form
    1,110,921.60/1,666,382.40 = 363,043.20/x
  3. Step 3: Cross multiply
    1,110,921.60x = 1,666,382.40 × 363,043.20
  4. Step 4: Simplify right side
    1,110,921.60x = 604,968,798,919.68
  5. Step 5: Solve for x
    x = 604,968,798,919.68/1,110,921.60
  6. Step 6: Final answer
    x = 544,564.80

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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.