Home / 1,076,590.45-1,485,721.57-662,970.66

Finding the Fourth Proportional to 1,076,590.45, 1,485,721.57 and 662,970.66

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Solution

The fourth proportional to 1,076,590.45, 1,485,721.57 and 662,970.66 is: 914,915.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,590.45 : 1,485,721.57 = 662,970.66 : x
  2. Step 2: Convert to fraction form
    1,076,590.45/1,485,721.57 = 662,970.66/x
  3. Step 3: Cross multiply
    1,076,590.45x = 1,485,721.57 × 662,970.66
  4. Step 4: Simplify right side
    1,076,590.45x = 984,989,801,988.72
  5. Step 5: Solve for x
    x = 984,989,801,988.72/1,076,590.45
  6. Step 6: Final answer
    x = 914,915.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.