Home / 1,728,000.90-2,592,001.35-1,099,700.10

Finding the Fourth Proportional to 1,728,000.90, 2,592,001.35 and 1,099,700.10

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Solution

The fourth proportional to 1,728,000.90, 2,592,001.35 and 1,099,700.10 is: 1,649,550.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,000.90 : 2,592,001.35 = 1,099,700.10 : x
  2. Step 2: Convert to fraction form
    1,728,000.90/2,592,001.35 = 1,099,700.10/x
  3. Step 3: Cross multiply
    1,728,000.90x = 2,592,001.35 × 1,099,700.10
  4. Step 4: Simplify right side
    1,728,000.90x = 2,850,424,143,795.14
  5. Step 5: Solve for x
    x = 2,850,424,143,795.14/1,728,000.90
  6. Step 6: Final answer
    x = 1,649,550.15

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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.