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Finding the Fourth Proportional to 1,196,740.80, 1,792,000.80 and 945,835.20

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Solution

The fourth proportional to 1,196,740.80, 1,792,000.80 and 945,835.20 is: 1,416,294.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,740.80 : 1,792,000.80 = 945,835.20 : x
  2. Step 2: Convert to fraction form
    1,196,740.80/1,792,000.80 = 945,835.20/x
  3. Step 3: Cross multiply
    1,196,740.80x = 1,792,000.80 × 945,835.20
  4. Step 4: Simplify right side
    1,196,740.80x = 1,694,937,435,068.16
  5. Step 5: Solve for x
    x = 1,694,937,435,068.16/1,196,740.80
  6. Step 6: Final answer
    x = 1,416,294.52

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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.