Home / 1,657,330.78-2,285,820.44-1,076,740.72

Finding the Fourth Proportional to 1,657,330.78, 2,285,820.44 and 1,076,740.72

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Solution

The fourth proportional to 1,657,330.78, 2,285,820.44 and 1,076,740.72 is: 1,485,060.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,330.78 : 2,285,820.44 = 1,076,740.72 : x
  2. Step 2: Convert to fraction form
    1,657,330.78/2,285,820.44 = 1,076,740.72/x
  3. Step 3: Cross multiply
    1,657,330.78x = 2,285,820.44 × 1,076,740.72
  4. Step 4: Simplify right side
    1,657,330.78x = 2,461,235,946,356.32
  5. Step 5: Solve for x
    x = 2,461,235,946,356.32/1,657,330.78
  6. Step 6: Final answer
    x = 1,485,060.18

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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.