Home / 1,728,000.90-2,592,001.35-972,173.70

Finding the Fourth Proportional to 1,728,000.90, 2,592,001.35 and 972,173.70

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Solution

The fourth proportional to 1,728,000.90, 2,592,001.35 and 972,173.70 is: 1,458,260.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,000.90 : 2,592,001.35 = 972,173.70 : x
  2. Step 2: Convert to fraction form
    1,728,000.90/2,592,001.35 = 972,173.70/x
  3. Step 3: Cross multiply
    1,728,000.90x = 2,592,001.35 × 972,173.70
  4. Step 4: Simplify right side
    1,728,000.90x = 2,519,875,542,834.50
  5. Step 5: Solve for x
    x = 2,519,875,542,834.50/1,728,000.90
  6. Step 6: Final answer
    x = 1,458,260.55

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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.