Home / 1,792,495.62-2,689,984.86-712,897.35

Finding the Fourth Proportional to 1,792,495.62, 2,689,984.86 and 712,897.35

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Solution

The fourth proportional to 1,792,495.62, 2,689,984.86 and 712,897.35 is: 1,069,839.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792,495.62 : 2,689,984.86 = 712,897.35 : x
  2. Step 2: Convert to fraction form
    1,792,495.62/2,689,984.86 = 712,897.35/x
  3. Step 3: Cross multiply
    1,792,495.62x = 2,689,984.86 × 712,897.35
  4. Step 4: Simplify right side
    1,792,495.62x = 1,917,683,078,234.12
  5. Step 5: Solve for x
    x = 1,917,683,078,234.12/1,792,495.62
  6. Step 6: Final answer
    x = 1,069,839.76

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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.