Home / 1,154,145.60-1,731,218.40-1,099,033.20

Finding the Fourth Proportional to 1,154,145.60, 1,731,218.40 and 1,099,033.20

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Solution

The fourth proportional to 1,154,145.60, 1,731,218.40 and 1,099,033.20 is: 1,648,549.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,145.60 : 1,731,218.40 = 1,099,033.20 : x
  2. Step 2: Convert to fraction form
    1,154,145.60/1,731,218.40 = 1,099,033.20/x
  3. Step 3: Cross multiply
    1,154,145.60x = 1,731,218.40 × 1,099,033.20
  4. Step 4: Simplify right side
    1,154,145.60x = 1,902,666,498,050.88
  5. Step 5: Solve for x
    x = 1,902,666,498,050.88/1,154,145.60
  6. Step 6: Final answer
    x = 1,648,549.80

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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.