Home / 1,152,000.30-1,728,000.45-942,048.30

Finding the Fourth Proportional to 1,152,000.30, 1,728,000.45 and 942,048.30

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Solution

The fourth proportional to 1,152,000.30, 1,728,000.45 and 942,048.30 is: 1,413,072.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,000.30 : 1,728,000.45 = 942,048.30 : x
  2. Step 2: Convert to fraction form
    1,152,000.30/1,728,000.45 = 942,048.30/x
  3. Step 3: Cross multiply
    1,152,000.30x = 1,728,000.45 × 942,048.30
  4. Step 4: Simplify right side
    1,152,000.30x = 1,627,859,886,321.74
  5. Step 5: Solve for x
    x = 1,627,859,886,321.74/1,152,000.30
  6. Step 6: Final answer
    x = 1,413,072.45

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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.